Quick Answer. Lizards are distributed throughout the world, and as the San Diego Zoo notes, most of them live on the ground. Other common lizard dwelling places are underground burrows (especially in deserts), under rocks, marshy bogs and in trees.
Estrogen also can raise libido in men if the man also has healthy testosterone levels. Women are more prone to pain likely because they tend to have lower and more volatile serotonin levels.
What do testosterone and estrogen do? Testosterone is an androgen, or steroid hormone; in men, androgens trigger the development of reproductive organs â the penis, testes, prostate, etc. Testosterone promotes muscle and bone mass, hair growth, sperm production and sex drive.