If you have not shown any signs of puberty by the age of fifteen, it is a good idea to visit your GP for a check-up. |
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Some children grow slightly more slowly than others and reach puberty later than average. |
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The glands remain immature until puberty, and it is the secretion of sebum that is associated with pubertal acne. |
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The onset of acne is usually around puberty, but in a minority of cases it may also start in adulthood. |
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Although the timing of these changes is different for every guy, the stages of puberty generally follow a set sequence. |
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Generally, girls reach puberty approximately six months to a year earlier than boys. |
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Acne appears around the onset of puberty and runs a variable course till adolescence is over. |
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As puberty dawns for a young girl, the ritu kala home-ceremony is performed to acknowledge her first menses. |
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Children who come of age and have not gone through the puberty rite are liable to be forcibly seized to undergo the procedure. |
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Now the gymnasts for instance have been shown to have delayed menarche and also delayed puberty. |
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Women maintain a revered and protected status in Kuna society and their reaching puberty is celebrated in a series of ancient rituals and feasts. |
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Increasing problems with mood lability are noticeable as girls move into puberty. |
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Fluctuating hormone levels, particularly during puberty or menopause, may also cause lactation. |
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Male pattern baldness affects two-thirds of all men in the UK, and can happen at any time after puberty. |
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Sister Bliss's big beats aren't really the soundtrack to youth culture anymore though, rather a nostalgic reminder of pills, parties and puberty. |
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Congenital lues up to the time of puberty may simulate acute articular rheumatism. |
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They were pubescent boys who had reached puberty but had not yet grown beards. |
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They grow from pedicles that form at puberty and which, in time, become permanent protuberances from where antlers bud and are cast seasonally. |
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Around puberty, our apocrine glands kick into action, releasing thick secretions into hair follicles. |
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The magnitude of the difference rises substantially after puberty, but the reason for this change is unclear. |
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The reality sinks in when they attain puberty by which time they are told they have no choice. |
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These were the athletes whose puberty and growth were delayed, and one of the tools was thought to be maladministered contraceptive pills. |
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In the West, precocious puberty is sometimes treated with regular injections to slow down physical development. |
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Girls between age nine and age sixteen undergo a series of puberty and initiation rites known as chinamwali. |
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Modern pygmies have big brains because their small size is achieved in a different way, by a slowing of growth around puberty. |
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As puberty begins, your body begins to produce hormones that cause your eggs to mature. |
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The other type of sweat-producing gland, the apocrine glands, develop at puberty and are concentrated in the armpits and pubic region. |
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The mammary glands are specialized cutaneous glands that develop rapidly but incompletely at puberty. |
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During puberty or nearing menopause, many women have irregular periods so no treatment is necessary. |
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Early onset of puberty and obesity independently favor the persistence of asthma. |
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If you're naturally thin, you might fill out a little more after puberty, but then again, you might not. |
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Sebaceous glands develop at puberty in response to androgen stimulation and are attached to the follicle canal by sebaceous ducts. |
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They also found that nearly three quarters of the parents interviewed relied on their children to find out about puberty at school. |
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The gland is very small in babies and grows at the time of puberty in response to testosterone secreted by the testicles. |
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The problem he had, he was extremely intelligent, very bright, but he had a face that was just past puberty. |
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During adolescence, it is natural to gain weight as you prepare for puberty or a sudden growth spurt. |
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However, parental smoking was not associated with persistence of wheezing or asthma after the onset of puberty. |
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Then, girls reach puberty before boys and so are more mature in their both their approach to learning and ability to learn. |
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On the other hand puberty is a time for experimentation, and things often get exaggerated in the media. |
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But with the onset of puberty, having a pen pal was considered lame, and all of that stopped. |
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At puberty, hypothalamic-pituitary-gonadal axis activity increases, initiating a cascade of physiological events. |
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At ten, boys were supposed to be afraid of girls and think that they were icky, and then at puberty, boys would start liking girls. |
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And there was a fascinating account of the castrati, the male singers who lost their testicles before puberty. |
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Because some childhood seizures stop at puberty, doctors often hesitate to recommend surgery for children. |
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During puberty, levels of progesterone and, possibly, estrogen overstimulate blood circulation to the gums, making them sore and swollen. |
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They develop during puberty and start to release sweat in response to stress, emotion and sexual excitement. |
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Though she has just reached puberty, she is not overawed by a sage, howsoever famous he might be. |
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This is an extremely rare type of cancer, and circumcision may only offer protection if done in childhood, not during puberty. |
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This is quite common in adolescents and is often first noted at the onset of puberty. |
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In a few cases these feelings continue and so the physical effects of puberty can be very distressing and confusing. |
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Who else, after all, would describe the onset of puberty in terms of self-consciousness over performing Scottish dances? |
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During the years between puberty and the menopause, women's ovaries make a hormone called oestrogen. |
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But the delayed menarche and the delayed puberty may have an effect on their growth and height. |
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Using the curse of the werewolf as a metaphor for puberty, it's a sharp and, forgive the pun, biting take on adolescence. |
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The onset of puberty appears to be triggered by changes in the blood melatonin level. |
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Those with no signs of puberty by age 15 should be referred to a paediatric endocrinologist for further investigation. |
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The possibility that puberty is occurring earlier in Britain than previously has caused great interest. |
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Because many adolescents have slight hormone imbalances during puberty, menorrhagia isn't uncommon in teens. |
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Significant differences in the timing of the onset of puberty between populations are well known. |
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It affects women much more often than men, because women lose some blood in each menstrual period between puberty and the menopause. |
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All the rites de passage, birth, puberty, marriage, and death gave occasion for liturgical celebration, in which divine protection was surely invoked. |
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Meena manages to inveigle her way into Anita's gang, but exams, puberty and an undercurrent of racism in their small community turns the friendship sour. |
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Urinary continence usually improves with age, especially after puberty. |
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Matt had been a hopeless bed-wetter right up to the age of puberty. |
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The time of life which was the focus of most attention was the transitional period, which might extend from the onset of puberty to the late twenties. |
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The onset of puberty is normally triggered by the hypothalamus. |
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He'd never lost his puppy fat and puberty had hit him early, and hard. |
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Castration before puberty may predispose the animal to pizzle rot. |
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Wigs, body doubles, and computer effects enable him to appear as several different characters in a given tableau, always looking uncannily like a boy on the edge of puberty. |
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We have demonstrated the utility of our approaches by examining developmental changes in the murine mammary gland during the transition to puberty. |
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His work is unfeigned and natural, and he shows a poise that should allow him to make the difficult transition through puberty that kills so many promising young careers. |
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Although the end of puberty and the beginning of adulthood are not clearly demarcated, first conception, pregnancy, or parturition are frequently used markers. |
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In this study, we found that a physician-confirmed diagnosis of sinusitis in the prepubertal period was a significant predictor of persistence of asthma after puberty. |
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An increase in physical size is the first sign of puberty in boys. |
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The reproductive organs only attain full development at puberty, and degenerate and lose all or much of their functional importance as years accumulate. |
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When boys reach puberty their fuzzy black hair is allowed to grow. |
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The quantity of fungistatic saturated fatty acids in sebum increases at puberty, and this is thought to explain the rarity of tinea capitis in adults. |
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Our study indicates that puberty may also be a highly vulnerable period. |
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For example, Colborn says, bisphenol A, a component of plastic that is also used as a fire retardant, causes female mice to reach puberty earlier than normal. |
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Fat cells produce leptin, a protein known to help trigger puberty. |
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This change increases the susceptibility to acne, a skin condition that is characteristic of puberty. |
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Both male and female whales reach puberty at approximately eight years of age. |
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For example, linguist Eric Lenneberg used second language to mean a language consciously acquired or used by its speaker after puberty. |
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Before a child goes through puberty, the chemical processes in the brain are more geared towards language and social communication. |
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Pedophilophile Henk Overloon has been attracted to pedophiles since he hit puberty. |
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Marriage was common for women at puberty and for men when they became productive hunters. |
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The life of a dairy cow is a cycle of pregnancy and lactation starting at puberty. |
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Holstein heifers reach puberty at an average body weight between 550 to 650 lbs. |
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Smaller breeds of cattle, such as Jerseys, usually reach puberty earlier at a lighter weight. |
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Also, female antler size plateaus at the onset of puberty, around age three, while males antler size increases during their lifetime. |
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Nutritional factors are the strongest and most obvious environmental factors affecting timing of puberty. |
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With no signs of puberty, they are considered minors until the age of twenty. |
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If they show no signs of puberty or do show impotence, they automatically become adults by age 35 and can marry. |
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In Ancient Rome, it was very common for girls to marry and have children shortly after the onset of puberty. |
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Girls attain reproductive maturity about four years after the first physical changes of puberty appear. |
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The main steroid hormones, testosterone, estradiol, and progesterone as well as prolactin play important physiological functions in puberty. |
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The first androgenic hair resulting from adrenarche can be also transient and disappear before the onset of true puberty. |
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Brain tumors which increase GnRH output may also lead to premature puberty. |
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A study discovered that a mutation in genes encoding both Neurokinin B as well as the Neurokinin B receptor can alter the timing of puberty. |
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Several studies about puberty have examined the effects of an early or a late onset of puberty in males and females. |
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Outcomes have generally indicated that early onset of puberty in girls can be psychologically damaging. |
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Once a boy reaches his teenage years, erections occur much more frequently due to puberty. |
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Chest hair may appear during puberty or years after, though not all men develop it. |
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This muscle develops mainly during the later stages of puberty, and muscle growth can continue even after boys are biologically adult. |
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Pubic hair is often the second noticeable change in puberty, usually within a few months of thelarche. |
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A common definition for the onset of puberty is physical changes to a person's body. |
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One of the first observed environmental effects is that puberty occurs later in children raised at higher altitudes. |
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Scientific researchers have linked early obesity with an earlier onset of puberty in girls. |
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The average level of daily physical activity has also been shown to affect timing of puberty, especially in females. |
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Some of the least understood environmental influences on timing of puberty are social and psychological. |
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Boyar discovered that the gonadotropin pulses occur only during sleep, but as puberty progresses they can be detected during the day. |
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Some investigators have attributed the onset of puberty to a resonance of oscillators in the brain. |
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By this mechanism, the gonadotropin pulses that occur primarily at night just before puberty represent beats. |
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For much of puberty, nighttime levels of testosterone are higher than daytime. |
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Regularity of frequency and amplitude of gonadotropin pulses seems to be less necessary for progression of male than female puberty. |
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For example, Finnsheep ewe lambs may reach puberty as early as 3 to 4 months, and Merino ewes sometimes reach puberty at 18 to 20 months. |
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Girls undergoing puberty show an increase in the total output of cortisol, which is related to stress, while boys show little increase. |
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Junior sororates are allowed. Age at marriage for males is between 20 and 22 years and for girls two to four years after puberty. |
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When puberty kicks in, the apocrine gland starts making a greasier, smellier substance. |
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Luckily for the cosmetics industry, during puberty our apocrine glands start excreting a variety of sweat that stink-inducing bacteria love. |
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It produces the hormone kisspeptin which helps humans and other animals go through puberty and become sexually mature. |
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The process of spermatogenesis takes place within the coiled seminiferous tubules, and continues from puberty to old age. |
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Next month it'll be training bras and puberty, the month after boyfriends and birth-control pills. |
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On average, people have approximately 30 nevi on their body and most are congenital or develop during puberty. |
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They cause early puberty and premature breast development in girls, and small and undescended testicles in boys. |
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It was observed from the current study that all pigs fed diet supplemented with SIF and EV showed delayed puberty. |
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Interestingly, rats that had salt completely excluded from their diet also had delayed puberty. |
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Growth hormone deficiency in children can lead to short stature and delayed puberty. |
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Effects of exposure to an estrual female on attainment of puberty in gilts. |
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The monthly formulation of triptorelin is currently marketed in over 80 countries for prostate cancer, endometriosis, fibromyoma, breast cancer and precocious puberty. |
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Purkinje cell damage by many post puberty diseases such as seizure, Alzheimer's and Huntington considered relevant that called Cerebellar congenital affective syndrome. |
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The study raises troubling questions about whether environmental estrogens, chemicals that mimic the female hormone estrogen, are bringing on puberty at an earlier age. |
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Nasim Ahmad explained that the poor reproductive efficiency due to delayed puberty and longer calving interval was causing major economical losses to the dairy sector. |
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Cancer treatments also can lead to precocious or delayed puberty. |
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The result, warns PANNA, is an increase in birth defects and early puberty and noticeable increases in asthma, obesity, diabetes and some cancers. |
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Anthropologists distinguish three types of transitional ritual in southern Africa, namely puberty rituals, and maturation rites, nubility and fertility cults. |
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Photoperiodic control of the development of the LHRH neurosecretory system of European starlings during puberty and the onset of photorefractoriness. |
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The common signs and symptoms of thalassemic diseases include pale skin, retarded growth and puberty, anemia, enlarged spleen, and increased susceptibility to infections. |
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In female athletes, excessive physical exercise may lead to disorders, including delay in the onset of puberty, amenorrhoea and premature osteoporosis. |
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Heaven Can Wait is a lengthy but frequently funny life history of an old New York skirt chaser from his brownstone puberty to his overripe old age. |
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A high level of exercise, whether for athletic or body image purposes, or for daily subsistence, reduces energy calories available for reproduction and slows puberty. |
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Early puberty in girls can be a harbinger of later health problems. |
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Lower protein intakes and higher dietary fiber intakes, as occur with typical vegetarian diets, are associated with later onset and slower progression of female puberty. |
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Significant exposure of a child to hormones or other substances that activate estrogen or androgen receptors could produce some or all of the changes of puberty. |
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The age at which puberty begins is affected by both genetic factors and by environmental factors such as nutritional state and social circumstances. |
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In a general sense, the conclusion of puberty is reproductive maturity. |
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Upon reaching puberty, herring returns to the Norwegian Sea. |
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Before puberty, the larynx of boys and girls is about equally small. |
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In the past, early onset of puberty in boys has been associated with positive outcomes, such as leadership in high school and success in adulthood. |
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In general, girls who enter puberty late experience positive outcomes in adolescence and adulthood while girls who enter puberty early experience negative outcomes. |
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Puberty which starts later than usual is known as delayed puberty. |
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Puberty which starts earlier than usual is known as precocious puberty. |
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In the 21st century, the average age at which children, especially girls, reach puberty is lower compared to the 19th century, when it was 15 for girls and 16 for boys. |
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Marriage would then be valid as long as neither of the two parties annulled the marital agreement before reaching puberty, and the marriage had not already been consummated. |
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Individuals who are deficient in leptin fail to initiate puberty. |
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High blood levels are associated with delayed puberty in girls. |
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The North American Indian boy usually took as his medicine the first animal of which he dreamed during the long and solitary fast that he observed at puberty. |
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As we are learning more and more about the brain, there is a hypothesis that when a child is going through puberty, that is the time that accents start. |
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Diagnosis, investigation and treatment of delayed puberty in children. |
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Researchers have identified an earlier age of the onset of puberty. |
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The average age at which puberty begins may be affected by race as well. |
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Rarely, menarche can occur before other signs of puberty in a few girls. |
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