Osteoarthritis (OA) is the most common form of joint disease, affecting millions of people around the world. OA results from biochemical degeneration of articular cartilage in synovial joints.

Kidney stones are small, hard deposits in the kidney formed by the crystallization of mineral and acids salts. Approximately 80% of kidney stones are made of calcium oxalate. As a result, the majority of research on kidneys stones is related to the prevention of calcium oxalate stones. Other stones consist primarily of calcium phosphate, a mix of calcium oxalate and calcium phosphate, magnesium ammonium phosphate (struvite stones), and uric acid.

Although it has earned itself a bad reputation, cholesterol plays some essential roles in proper function of the human body. Cholesterol is a crucial component of cell membranes and is necessary for the synthesis of vitamin D and steroid hormones (including those that help you cope with stress, as well as those for proper functioning of men and women).

Restless legs syndrome (RLS) is a neurological disorder that causes a person to periodically move their legs in response to an uncomfortable or unpleasant sensation in the legs. In the United States, 5-15% of the population suffers from RLS.

Chronic pain affects a large percentage of the population and must be taken seriously. In addition to the pain itself, chronic pain can lead to a number of other conditions, including weight gain, insomnia, anxiety, and depression.

Age-related macular degeneration (AMD) is the number one cause of progressive vision loss and blindness in developed countries. Of Americans over age 65, at least 10% have some loss of vision due to AMD and as many as 30% of Americans over the age of 75 are affected.