How Fats Affects Osteoarthritis
by Andrea Kane
Osteoarthritis, OA, is the most common type of arthritis , affecting approximately 27 million Americans. It is characterized by the breakdown of cartilage, the flexible but tough connective tissue that covers the ends of bones at joints. Age, injury, heredity and lifestyle factors all affect the risk of OA.
Every pound of excess weight exerts about 4 pounds of extra pressure on his knees; if a person is 100 pounds overweight has 400 pounds of extra pressure on his knees.
And the fat itself is active tissue that creates and releases chemicals, many of which promote inflammation. These chemicals can influence the development of OA, which is osteoarthritis.