What's the difference between heat exhaustion and heat stroke? One's a medical emergency
When British TV doctor Michael Mosley died last year in Greece after walking in extreme heat, local police said "heat ...
What causes muscle spasms? Why people get them and how to make them go away
We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...