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This week: Beer as a recovery drink, infectious diseases and geriatrics

Hyponatremia -- a dangerously low sodium level -- is a risk for ultramarathon runners who drink too much water in an effort not to become dehydrated. It's a serious condition that can lead to seizures, coma and death.

Some extreme athletes believe that drinking beer can help alleviate a low sodium level by causing the body to get rid of fluids through urination.

So, an emergency physician at Upstate who has expertise as medical director for a variety of endurance events around the world decided to conduct a study.

In this “HealthLink on Air” segment, Dr. Jeremy Joslin explains what he learned from runners at a 100-mile race in Florida. Many athletes are meticulous about the amount and type of fluids they ingest before, during and after their events. Joslin's guideline is simple: "Drink if you are thirsty," he says, urging athletes to listen to their bodies. "Your body actually knows what it is doing."

Also this week: the significance of devoting a medical department to geriatrics, plus a graphic text book on infectious diseases.

Tune in this Sunday, August 12 at 6 a.m. and 9 p.m. on WRVO.