The plates are all moving in different directions and at different speeds (from 2 cm to 10 cm per year--about the speed at which your fingernails grow) in relationship to each other.
If an increased risk of lung cancer doesnât scare you off, maybe this will: Studies indicate that smoking can decrease your penis size.Thatâs right. With every puff you take, your manhood could be shriveling up just a little bit more.he result: Erections are shorter, as the blood vessels can stretch out to their full potential. Think of it this way: the penis is like a rubber band. When blood rushes into to it to create an erection, it stretches out. Smoking too much can cause the rubber band to lose its ability to stretch out.
Long term use of marijuana does affect fertility in both men and women. For men, marijuana causes a lower sperm count and smaller volume of seminal fluid, that is about half of the normal amount. However, Marijuana also causes abnormalities in the existing sperm.The problem comes from timing.or men, marijuana causes a lower sperm count and smaller volume of seminal fluid, that is about half of the normal amount. However, Marijuana also causes abnormalities in the existing sperm. The problem comes from timing.