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.
Female fat distributions. Progesterone & estrogen both play a role in keeping the waist of women smaller. This is because estrogen works against the action of insulin (and testosterone is a belly fat storing hormone in women) while both estrogen and progesterone oppose the action of cortisol. Insulin and cortisol, together with testosterone and low estrogen, are implicated in belly fat deposition in women.