Which acts as both a physical and chemical barrier against pathogens? skin lymph blood mucus

If you are going to enter a wrestling competition and need to make a certain weight, which method would best utilize? a: pinch an inch b: circumference measurements c: bathroom scale d: body-fat scale

How harmful is it to smoke a pack of cigarettes a week?

One way to take a more active role in your health is to schedule an appointment for a physical