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Testosterone therapy takes off pounds

Five-year study finds consistent weight loss in men getting hormone

HOUSTON — Men with low testosterone who are given replacement doses of the hormone shed weight steadily for years, researchers in Germany reported June 23 at a meeting of the Endocrine Society. Study participants, nearly all of whom were overweight or obese at the start of the study, lost 36 pounds on average.

“This was an unintended effect,” said study coauthor Farid Saad, a research endocrinologist at Bayer Pharma in Berlin. “The big surprise was that when we analyzed the data [we found] that these men had lost weight continuously...year by year.” The men didn’t diet as part of the study, and any increase in their activity was voluntary, Saad said.

He and his colleagues studied 116 men, average age 61, who had low testosterone levels. Each received quarterly injections of the hormone for five years. At the start, 71 percent were obese and another 24 percent were overweight.

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