Study tracks symptoms in men as testosterone levels decline

By Gene Emery NEW YORK (Reuters Health) – Low testosterone production can reduce strength, muscle size and lean mass. If the testosterone isn’t being converted to estrogen, men may see an increase in body fat. And a deficiency of either can spark a decline in sexual function, according to a new study of hundreds of volunteers. The research, published in the New England Journal of Medicine, comes at a time when testosterone supplements are being widely advertised to men in the U.S., for example, in commercials urging them to be treated for “Low T.” From 2001 to 2011, the number of U.S. …