yes, it goes through your pores which causes your skin to lose a chemical. This chemical gives your skin its elasticity and that why a methamphetamines user's face looks "shriveled."
When the artery walls lose their elasticity, this is called arteriosclerosis. When this happens, the body has a tougher time circulating blood.
the climate: humidity or lack there of.
compression or expansion of an elastic material causes elasticity.
Stretched out skin can indeed gain some of its elasticity back. Stretched out skin will never have the full elasticity it once had.
the skin's elasticity
There are many different factors to be considered. If the elasticity of you skin is good, then it shouldn't affect it at all.
Depends on how fast and how much weight you lose. Skin is quite stretchy, and will shrink when not needed - so most people are OK. But if you're big enough to have folds these are unlikely to disappear by themselves and you will need to see a Doctor.
If it jiggles, it is losing elasticity. We all will go through that.
The skin of a drum is pulled tight over the rim. This gives it some elasticity, which forces the drum stick upwards when it has been hit.
The main causes of sagging skin on the face with age are decreased production of collagen and elastin, loss of fat and muscle tone, and the effects of gravity over time. Sun exposure, smoking, and genetics can also contribute to the breakdown of skin elasticity, leading to sagging.
Emphysema.