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.
How Excess Estrogen Levels Occur in Aging Men. In males, the main biologically active estrogen is estradiol. The primary source of estradiol in men is from the conversion (aromatization) of testosterone. As men age, the production of androgens from the adrenals and gonads is decreased.