Osteoarthritis is by far the most common form of arthritis. So common, in fact, that if you are over 40, there is a 90% chance you already show signs, though you probably don't know it. Find out if there are supplements that may provide relief.

For people who have suffered through years of hip pain and discomfort, hip replacement surgery can change their lives.

For many people, the flare-up of an arthritic knee or shoulder appears to signal a change in the weather—usually hinting that a storm is imminent. Are the two really related?

If you cracked your knuckles as a child, you may have been warned that it could cause you to develop arthritis later in life. Is this true?

• Carpal tunnel syndrome
• Diabetes
• Fibromyalgia
• Gout
• Hip fracture
• Lupus
• Lyme disease
• Obesity

• Osteoarthritis
• Rheumatoid arthritis