| Pleasant diversion and vigorous exercise help as they increase the inborn production of pain killers called endorphins or enkephalins. |
| Humans, like all animals, have an inborn stress alarm system that initiates a fight or flight response to stressful situations. |
| The Left believe in NO inborn limits on what human arrangements will work whereas Mark sees limits on every hand. |
| A classic example of an autosomal recessive inborn error of metabolism is phenylketonuria. |
| People do seem to differ in their inborn ability to handle life's stresses. |
| Are we dealing with something which is an inborn, immutable trait like, say, eye color? |
