Welcome to The Nutrition Source, a Web site maintained by the Department of Nutrition at the Harvard School of Public Health.

Aside from not smoking, the most important determinants of good health are what we eat and how active we are. The Nutrition Source is designed to get you started down the path toward the healthiest diet possible.

In the What Should You Eat section, you'll find eight key tips for eating right, plus our bottom line recommendations on carbohydrates, protein, fats, fiber, vegetables and fruits, calcium and milk, alcohol, and vitamins. You can also learn more about a food pyramid that's actually based on the latest science: the Healthy Eating Pyramid, created by the Department of Nutrition at Harvard School of Public Health. 

A lot of confusing information about nutrition gets batted about in the media and on the Web. The Nutrition Source will cut through all that confusion, providing clear tips for healthy eating and dispelling a few nutrition myths along the way.

Time to Focus on Healthier Drinks

It's time to address America's hidden drinking problem—the rivers of sugary soft drinks we guzzle daily. Here are steps that beverage manufacturers, government, schools, worksites and homes must take.

Choosing Healthy Drinks

Without a doubt, water is the best drink choice. The worst choice? Drinks that are loaded with sugar. Other drinks have pros and cons, but in moderation, can fit into a healthy diet. Read our five quick tips for choosing healthy drinks.

Simple Steps to Preventing Diabetes

Cutting back on sugary drinks, keeping weight in check, and being more active can help prevent type 2 diabetes. Read five quick tips for preventing diabetes, or a more in-depth article on diabetes prevention.