A study in the International Journal of Obesity shows that the male hormone, testosterone, when given by patch may help to prevent heart attacks in older men. Men who deposit fat primarily in their bellies are far more likely to suffer from heart attacks than men who deposit fat primarily in their hips. The same applies to women. ( JAMA 1/27/93). When testosterone by patch or gel is given to men with fat bellies, it helps to reduce their belly fat and can lower cholesterol, blood pressure and blood sugar levels. A concern is that extra testosterone could cause a pre-existing prostate cancer to spread through the body. Future research should show if this happens and if it doesn't, most men over 70 will want to use testosterone patches, gel or pills under the tongue.