Whether calculating your target heart rate, assessing your risk for a common condition, or testing your knowledge of today's health concerns, these tools help you manage your health. They are easy to use, informative, and often surprising.
Test your knowledge of first aid by taking this quiz.
Even if a person's injuries aren't life-threatening, they can go into shock and die. Shock occurs when a person's organs and tissues don't get enough blood or oxygen. The person may be unconscious, but not always. Call for emergency help first, then follow these steps: