DEAR DR. GOTT: My husband has been fatigued for several months. He’s a little heavier than his ordinary weight and thought that was the cause, but when he went to his doctor, he was found through follow-up blood work to have a low testosterone level. What on earth is that all about? We’re concerned.
DEAR READER: Testosterone is a naturally occurring hormone that stimulates the growth of male characteristics. Testosterone levels normally decrease with age; therefore, it is somewhat difficult to determine a normal level. Generally speaking, the range of total testosterone is 300 to 1,000 mg/dL, with some variation noted between laboratories. [Read more...]