QUIZZES & RISK ASSESSMENTS
Tetanus is an infection that affects the nervous system. It's also called lockjaw. Most children are vaccinated against it, but that immunity wears off with time. Adults need a booster shot to maintain their immunity.
Your target heart rate is the range at which sustained physical activity - running, cycling, swimming laps, or any other aerobic exercise - is considered safe and effective.
Endometriosis is a common condition among women. It affects about 1 in 10 women of childbearing age. Find out if you're at risk for it.