Diet and nutrition Archive

The new Dietary Guidelines for Americans are a mixed bag. While their advice to choose whole foods, avoid highly processed foods, and limit added sugars is sound, their promotion of animal-based foods like meat and full-fat dairy products is less supported by rigorous scientific research.

While many people may think that a more sustainable diet is more expensive, a 2025 study suggests that in fact, foods with smaller environmental footprints tend to cost less. Choosing fewer animal-based foods and more plants can be better for health, budgets, and the planet.

A 2025 study suggests that polyphenols, found in a wide range of plant foods, may have long-term benefits for the heart. Over an average of 11 years, people whose diets contained the most polyphenol-rich foods ranked lowest on scores of heart disease risk.

Cutting back on ultra-processed foods that have little nutritional value can help protect your health, but you don't have to make everything from scratch either. Seek out less-processed versions of your favorite foods at your supermarket to turn into healthy meals with minimal effort.

Stress eating involves using food as a coping mechanism when life is difficult. Persistently high levels of cortisol can increase appetite, and past experiences can lead people to associate eating with stressful situations. The foods people crave may depend on their form of turmoil.

Muscle loss is common after middle age. To counter muscle loss, it's essential to strength train regularly and consume lots of protein. Whole foods are the best sources of protein, but protein supplements might also be used.

Experts define a low-carb snack as one with 5 grams of carbohydrates or less per serving. The Academy of Nutrition and Dietetics recommends snacks that are fresh, balanced, and packed with nutrients like protein and fiber.

Nutritional yeast is a savory condiment that's often heavily fortified with vitamins. Because high doses may cause side effects, interact with some medications, or cause certain health problems, it's best used sparingly as a flavoring, not as a supplement.

A 2025 study suggests that the nature of ultra-processed foods, not the consumption of extra calories from these foods, is what contributes to their association with excess weight gain and a greater risk for obesity.

A 2025 study suggested that people can lose more weight by eating minimally processed foods rather than ultra-processed versions, even those typically considered healthy.