Diet and nutrition Archive

Foods that contain mainly saturated fat, such as beef tallow and butter, are less heart-healthy than those that contain mainly unsaturated fats, including olive oil and seed oils such as canola oil and soybean oil.

A major Harvard study adds more evidence that a healthy diet may protect your brain. Older adults who ate the most ultra-processed foods were found to have substantially higher risks of dementia and cognitive decline, while those eating more minimally processed foods had lower risks.

The DASH diet is a flexible, science-backed eating plan proven to lower blood pressure, while also reducing risks of heart disease, diabetes, cancer, and cognitive decline. Emphasizing vegetables, fruits, whole grains, and low-fat dairy products, it’s a healthy way to eat that suits almost everyone.

For people managing a chronic illness or recovery, medically tailored meals—home-delivered and dietitian-planned—can help. Research shows they improve health outcomes, reduce hospitalizations, and save billions in health care costs. Programs range from full meal delivery to grocery boxes and produce vouchers.

A prediabetes diet is an eating plan that may help prevent prediabetes from turning into full-blown diabetes. Many different foods can fit into this style of eating, including fruits and vegetables, beans and legumes, lean proteins, whole grains, and healthy fats. While no foods are off-limits, prediabetes diets generally are low in sugary foods, refined carbohydrates, fast foods, fried foods, and alcohol.

A 2026 research review and analysis suggested that consuming more soy products and other legumes was associated with a lower risk of developing high blood pressure.

Intravenous (IV) vitamin therapy delivers vitamins, minerals, and fluids directly into the bloodstream. It is marketed as a quick fix for fatigue, immune health, and hangovers. But scientific evidence does not back up those claims, and IV therapy also poses risks.

AI-generated nutrition misinformation, also known as AI slop, is all too easy to find online. While some AI posts can offer helpful dietary guidance, watch for sensational claims, unverified credentials, and cherry-picked research. If health advice sounds too good to be true, it probably is.

Most Americans fall short on their intake of potassium, a vital but overlooked nutrient. People can boost the level of potassium in their body by eating more plant foods, especially beans, potatoes, leafy greens, and fruit, and by cutting back on ultra-processed foods.

The holiday season is full of parties, gatherings, food, and drink — making it an ideal time to adopt healthier eating habits. Doing so can help you manage stress and avoid overeating, and will set you up for success in the new year.