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4 votes

Why do female smokers often have creases above their lips?

Skin wrinkles and creases are generally caused by a breakdown of the collagen framework within the skin. Collagen is a key part of your skin's structure. It forms a network of fibers within your ...
Chris Rogers's user avatar
  • 6,205
3 votes

Does being transgender a mental health condition? If no, why not?

Being transgendered is NOT a mental health condition. The American Psychiatric Association states that a mental health disorder requires distress or disability (APA, n.d.). A psychological state is ...
Chris Rogers's user avatar
  • 6,205
2 votes
Accepted

Difference in Size of male and female ribcage

are their rib cages the same size? No. The female ribcage, in addition to having a smaller volume than the male ribcage, has a proportionally narrower superior half and a proportionally wider ...
MEDBRO's user avatar
  • 36
1 vote
Accepted

Why do female smokers often have creases above their lips?

As far as I know this was never under experimental laboratory conditions in humans. But there are some observational, correlational and theoretical studies and considerations to explain the phenomenon....
LаngLаngС's user avatar
  • 6,908

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