Do you insist on rising at five to run each morning, even when your back is aching, black ice coats the streets, and your wife beseeches you to stay in bed? Do you only feel good when you’re training for triathlons? Is eating merely a way to replenish for the next race? Then you, my Spandex-clad friend, may have an exercise addiction.
Here’s what you need to know to keep your concerns and your hormones in proper balance.
How Low Is Too Low?
Testosterone levels are measured through blood tests. Most doctors agree that a “normal” reading falls anywhere between 300 to 1,000 nanograms per deciliter (ng/dL). About 40% of men over age 45 will have levels that come in below that range. But a low reading by itself isn’t enough to warrant alarm.
In fact, it’ll likely have a lot to do with the time of day doctors test your blood. The best time for testing is between 7 and 10 a.m. “Different hormones have different patterns of secretion,” says Ronald Swerdloff, MD, chief of endocrinology at Harbor UCLA Medical Center. “Normal testosterone ranges are based on morning samples, when the average person is at a higher level. Afternoon tests may give a false impression of low levels.”
Swerdloff says you should get multiple tests -- at least two over the course of a couple of weeks or months. You’ll want to make sure you have low T before you take any action.
More Than Just a Number
Even if your testosterone levels are below the recommended range, you still might not have to worry. Doctors say that a reading between 200 and 300 ng/dL is sort of a gray area.
Levels that are just slightly low aren’t a cause for concern by themselves. But if you have other symptoms, you’ll want to see your doctor. “Everyone agrees that if you have a phenomenally low level, you’d benefit from treatment. But if it’s just slightly low, as is more common, you’d definitely want to have symptoms,” says Bradley Anawalt, MD, chief of medicine at the University of Washington.