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.
Testosterone May Help Depressed Men. Jan. 3, 2003 -- Testosterone replacement therapy was commonly prescribed 50 years ago for depression in men, but the treatment was all but abandoned with the introduction of antidepressant drugs. Now new research suggests the male hormone may have been rejected too quickly.