Hospitalized after a motorcycle accident, Keating contracted bronchitis, exacerbated by pulmonary disease and a heart ailment.

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The other most popular sites by number of members cover arthritis, heart disease, sleep disorders, pulmonary disease, back pain, depression, GERD and bipolar disorder.

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The company has tried to create new enthusiasm with with efforts to expand into hepatitis C, the viral liver disease that is looking like the next big drug market, and into other areas such as heart disease, cystic fibrosis, and pulmonary arterial hypertension.

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Cachexia is best known as a disease of cancer patients, but it is seen in patients with chronic infection, AIDS, heart failure, rheumatoid diseases and chronic obstructive pulmonary disease.

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The five most expensive health conditions in the United States are heart disease, cancer, trauma, mental disorders, and pulmonary conditions.

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