My knee seems to be cracking to much , why is that am a teenager ..?!

Best Answer - Chosen by Voters

There are numerous causes of knee problems. It is one of the most common complaints at practically all ages.

While knee pain has multiple causes, the most common is osteoarthritis, particularly in the older population. However, there are other conditions which can cause pain, such as meniscal cartilage tears and ligament injuries of the knee, or issues that affect blood circulation in the surrounding bone area, leading to a condition called osteonecrosis.

Check here to see if you can identify the cause of your pain and what to do about it.

http://www.medicinenet.com/knee_pain/art…
http://orthopedics.about.com/od/hipknee/…
http://www.mayoclinic.com/health/osgood-…
http://rheumatology.hss.edu/conditions_o…