Cholesterol is a soft, waxy substance necessary for body functions like digestion and the production of hormones. This eMedTV resource discusses where cholesterol comes from, its link to heart disease, healthy cholesterol levels, and foods to avoid.

YourMedicalDetective.com is a comprehensive source of in-depth "peer-reviewed" alternative, nutritional, complimentary and preventive medical health solutions. The site includes health solutions for many health conditions including back pain, depression, weight loss, anxiety, heart disease, fibromyalgia, diabetes, anxiety, obesity, allergies, high blood pressure and much more.

ExRx.net is a exercise resource of nearly 2000 pages for the exercise professional, coach, or fitness enthusiast. ExRx.net features a comprehensive exercise instruction and kinesiology reference for exercise prescription with over 1300 animated exercises demonstrated, described, and analyzed.

iVillage - the daily destination for women, with an active women's community, horoscopes, health and pregnancy information, message boards and blogs, celebrity gossip, beauty and more.

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical review.

The mission of American Kidney Fund is to fight kidney disease, kidney failure, kidney stones through direct financial support to kidney patients in need, health education and prevention efforts.