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.
It's fun to take a hike through the woods: listening for songbirds, looking at wildflowers, spying the occasional chipmunk. You also need to keep an eye out for the bane of hikers—poison ivy. Find out how much you know about this plant by taking this true-false quiz.