Having extra estrogens triggers your body to slow its production of
testosterone. And the less
testosterone you make, the more belly fat you accumulate and the more estrogens you have.
Researchers have also targeted midriff weight as the strongest predictor of a condition called symptomatic androgen deficiency, or AD. It's marked by low libido, erectile dysfunction, osteoporosis, depressed mood, lethargy, and diminished physical performance.