The best foods high in potassium — and why you need them
How to protect your health in a power outage
Can juicing help you get more fruits and vegetables?
Kinesio taping offers only modest relief for musculoskeletal disorders
Scoliosis treatment: Can it help as you get older?
Physical therapy provides modest improvement for chronic low back pain
What factors speed up aging?
New resistance training guidance may simplify your workout
The problem with "classic" Lyme disease symptoms
Staying active throughout middle age may lower women's risk of dying early
The Perfect Diet

Many people feel overwhelmed by information on diets, and just want to know what to do. After all, there are so many diets out there right now, most doctors are every bit as confused as their patients. For many years, the American Heart Association has been recommending a low-fat diet with less than 300 milligrams of cholesterol per day, and 30% of calories from fat. But while they pursued this heart-healthy diet, Americans got fatter and fatter. About a decade ago, nutrition experts began to wonder whether we were doing something drastically wrong.
To continue reading this article, you must log in.
Source matters. Subscribe to HarvardHealthOnline+ FREE for 30 days for unlimited access to the site – where all content is reviewed by an HMS physician or faculty expert.
With HHO+ you get these exclusive benefits:
- Unlimited access to all Harvard Health Online content
- 4 expertly curated newsletters delivered monthly
- Customized website experience aligned to your health goals
- In-depth health guides on topics like sleep, exercise, and more
- Interactive features like videos and quizzes
- Members-only access to exclusive articles and resources
SPECIAL OFFER! UNLOCK EXPERT ACCESS for 30 days FREE!
Already a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
The best foods high in potassium — and why you need them
How to protect your health in a power outage
Can juicing help you get more fruits and vegetables?
Kinesio taping offers only modest relief for musculoskeletal disorders
Scoliosis treatment: Can it help as you get older?
Physical therapy provides modest improvement for chronic low back pain
What factors speed up aging?
New resistance training guidance may simplify your workout
The problem with "classic" Lyme disease symptoms
Staying active throughout middle age may lower women's risk of dying early
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!
Sign Up