May thwart Parkinson's disease. It's OK to eat one egg a day, but limit total cholesterol to 300 milligrams. Mono- and polyunsaturated oils are alternatives. Use butter as a treat. Fiber protects against colon cancer and lowers cholesterol.
Fiber helps prevent constipation as well as heart disease, diabetes, and obesity.
Sign up for HealthSmart , a weekly dose of stats, tips, and advice to help you maintain a healthy lifestyle. Read the transcript of our conversation with Eric Schlosser, author of Fast Food Nation . Johns Hopkins Hospital 2. Mayo Clinic 3. Massachusetts General Hospital 4.