Recent Blog Articles
Can wearing contacts harm your vision?
Vegan and paleo: Pluses and minuses to watch
Postpartum anxiety is invisible, but common and treatable
Right-sizing opioid prescriptions after surgery
Ready for your routine medical checkup?
Nicotine addiction explained — and how medications can help
Is your vision impaired? Tips to cope
Misgendering: What it is and why it matters
Healthy brain, healthier heart?
Stories connect us
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.
When low-carbohydrate diets like the Atkins Diet came along, cardiologists recoiled at the notion of so much fat. The Atkins Diet actually has 68% of total calories from fat, which in the past would have been considered a sure road to a heart attack. What these cardiologists didn't take into account was that these low-carbohydrate diets actually led to overall decreases in caloric intake. With the resulting weight loss, cardiac risk factors often improve.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.Sign Me Up
Already a member? Login ».
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.