Skip to main content

Dietary patterns Archive

Articles

Understanding empty calories

Empty calories are calories from foods that give the body energy but almost no helpful nutrients. Sugary drinks and pastries are common examples. They can quickly add lots of calories to someone's diet and make weight gain more likely.

4 keys to a heart-healthy diet

The foundation of a heart-healthy diet should be minimally processed plant-based foods, which are good sources of fiber, protein, and phytonutrients. People should also limit saturated fat and make sure they consume omega-3 fatty acids.

Understanding food noise — and how to turn down the volume

Food noise - persistent, distressing thoughts about food - can interfere with your daily life, but there's a lot you can do to manage it. Strategies include eating regular balanced meals, practicing mindful eating, managing stress and sleep, and seeking professional help if needed.

Foods that fight inflammation

Pro-inflammatory foods include fried foods, sodas, refined carbohydrates, and red meat. Green vegetables, berries, whole grains, and fatty fish are thought to combat the inflammatory process.

Resistant starch: Can you make the carbs you eat a little healthier?

Resistant starch causes smaller blood sugar spikes than regular starches, and feeds beneficial gut bacteria. You can increase the resistant starch content of starchy foods by cooking and chilling them, though overall diet quality matters more to blood sugar control than this trick alone.

Harvard study: A couple of daily cups of coffee or tea linked to lower dementia risk

A 2026 study found that drinking two to three daily cups of caffeinated coffee, or one to two daily cups of caffeinated tea, was linked to better cognitive health and lower risks of dementia.

Does everyone benefit from cutting saturated fat in their diet?

A review of 17 studies found that for people at high risk of heart disease, cutting down on saturated fats may have lowered their risk of major cardiac events over the next five years, but people at lower risk did not see similar benefits.

Beyond protein: 6 other nutrients that help prevent muscle loss

While protein is essential to help prevent muscle loss as you age, other nutrients matter, too. Carbohydrates, magnesium, iron, omega-3 fats, and vitamin D work together to support muscle function and prevent muscle breakdown. Getting enough water is also essential for muscle performance and function.

Are certain fruits healthier than others?

Most people have heard the nutritional recommendation to eat five servings of fruit per day. But are some fruits better for you than others? Is it okay to eat dried or frozen fruit, or to drink fruit juice? Does it have to be organic?

Vitamin B12 deficiency can be sneaky and harmful

Like most vitamins, B12 can't be made by the body and must be gotten from food or supplements. A B12 deficiency -- which might stem from a vegan or vegetarian diet, or problems with absorption due to weight loss surgery or aging -- can seriously harm nerves, mood, thinking, energy, and more.

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up
Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE 32-page gift worth $29.95.

PLUS, don’t miss out on your 25% off promo code.

Sign up to get tips for living a healthy lifestyle—You’ll discover powerful, research- backed strategies for health longevity drawn from Harvard Medical School experts—ways to eat for a longer life, build strength and flexibility to stay independent, protect your bones, heart, and brain as you age, and even cultivate the habits linked with “super-agers” who stay sharp and active well into their 80s and 90s—all delivered to your email box FREE.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of Living Longer, Living Well!.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus, get a FREE copy of Living Longer, Living Well.