Healthy Eating Archive

Ultraprocessed packaged foods and drinks contain thickeners, preservatives, and other additives to improve their taste, texture, appearance, and shelf life. But the high amounts of salt, sugar, and fat in these products are probably more concerning for a person's health. Foods like sugary drinks and processed meats are the worst culprits. Eating a diet focused on whole, plant-based foods automatically lowers processed food intake and provides heart-protecting nutrients such as fiber, vitamins, and minerals.

Meatless burgers-which include plant-based meat alternatives like Beyond Burger and Impossible Burger and veggie burgers-are healthy replacements for traditional hamburgers. Those with the lowest amounts of saturated fat and sodium are the best options.

In a 2025 study, people with the healthiest diets and trimmest bellies at midlife had better brain connections and skills decades later, compared with people who ate the worst diets and had the most belly fat.

In a 2025 study, researchers found that many people who drank water containing the no-calorie sweetener sucralose (Splenda) had increased appetite and cravings compared with those who drank water sweetened with table sugar or plain water.

Following a mostly plant-based diet starting in middle age can boost a person's odds of healthy aging, defined as reaching age 70 free from chronic disease while also maintaining cognitive, physical, and mental health, according to a 2025 study.

A healthy diet is a proven and powerful way to lower your risk of heart disease. Since dinner is often the main meal of the day, it's a good time to feature foods that support cardiovascular health. Four Harvard physicians share their favorite healthy dinners, which focus on lean protein (such as tofu, fish, and chicken) and a variety of vegetables.

A 2025 study found that morning coffee drinkers faced lower odds of dying from cardiovascular disease-or any cause-over a 10-year period compared with people who drank coffee all day or people who didn't drink coffee at all.

A small randomized controlled trial published in February 2025 suggests that eliminating oligosaccharides from the diet might be enough to ease symptoms of irritable bowel syndrome, as opposed to eliminating all the categories of food known as FODMAPs.