Nano is a prefix meaning extremely small.. When quantifiable, it translates to one-billionth, as in the nanosecond. Nano comes from the Greek word nanos, meaning dwarf..ano is a prefix meaning extremely small.. When quantifiable, it translates to one-billionth, as in the nanosecond. Nano comes from the Greek word nanos, meaning dwarf..
Aug. 19, 2003 -- Obese women may be more likely to develop breast cancer largely because their bodies produce more estrogen than thin women do. New research suggests that the increase in breast cancer risk faced by obese postmenopausal women may largely be due to higher levels of estrogens circulating in their bodies.
Estrogen causes the hips, thighs and buttocks to gain fat deposits, and the tendency for fat to gather around the stomach lessens. Along with testes and penis size, the prostate diminishes in size from taking both estrogen and a medication called finasteride. Testosterone and sperm production are also greatly reduced, reports Michele O'Mara, Ph.D.