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 annoying plant by taking this true-false quiz.

It is important to know your estimated due date in order to help plan for the baby's birth.

Osteoporosis is a disease that slowly weakens bones until they break easily. People who have a broken bone related to osteoporosis often experience a downward turn in their overall health.

Although used less commonly than knee or hip replacement, shoulder replacement surgery removes diseased or damaged bone in the shoulder and replaces it with an artificial joint. If arthritis pain is unrelieved by other methods, you may need replacement surgery. Learn how the shoulder works and what to expect in replacement surgery.

Plastic surgery is becoming more popular, with the most common procedure now breast augmentation, or enlargement. Contrary to what you may think, women with breast implants aren't immune to breast cancer.