Vitamin D supplements may have other benefits, but in otherwise healthy folks with sufficient levels of the nutrient, "our findings do not suggest benefits of long-term moderate- or high-dose vitamin D3 supplementation" in warding off type 2 diabetes, the team of Finnish researchers concluded.

The struggle is real when you’re trying to lose weight or eat healthier, but fast food often feels like a last resort. Fortunately, if you’re following a WeightWatchers plan, you can take a different approach. Instead of saying ‘no’ to the drive-thru, WW gives you the tools to navigate it confidently – all while keeping your wellness goals on track. With the WW Points system, you can satisfy those cravings without derailing your progress.

Diets rich in vegetables, fruit, meat, fish and whole grains have been linked to better mental health outcomes than diets high in processed foods, refined grains and sugary products.The higher quality fuel, or food, we give the brain, the better it functions,” Bardin explains. “You wouldn’t buy a Lamborghini and fill it up with two-stroke lawn mower oil.

Interest in plant-forward diets has been growing, but critics say they can be expensive and time-consuming. While there’s no shortage of new premade plant-based products hitting grocery store shelves and freezer aisles, eating a plant-based diet is easily achievable and cost-effective if you build meals around affordable staples.

Vitamin B12 has many important functions for your body. That’s why it’s good to know which foods are high in B12 (also known as cobalamin) so you can make sure you’re getting enough of this crucial vitamin. “B12 is often thought of as an energy vitamin because it is a key player in how our bodies convert the foods we eat into energy,” says Melissa Prest, a registered dietitian in Chicago and a spokesperson for the Academy of Nutrition and Dietetics.

That's why it's critical to track your cholesterol levels through routine blood work and to keep them within the range your doctor recommends. A normal cholesterol level for average adults should be below about 200 milligrams per deciliter as measured via a blood test. If your total cholesterol hits 240 or higher, your doctor will likely advise you to lower that number.

Researchers are finding that the trillions of beneficial bacteria residing in your gut – aka your gut microbiome – are integral to your well-being. Your gut microbiome plays an important role in strengthening your immune system and helping to regulate important daily bodily functions, including hunger signals and mood fluctuations.

People need to recognize that motivation goes up and down over time – it’s a motivation wave,” says BJ Fogg, a behavior change expert at Stanford Lifestyle Medicine and author of the book “Tiny Habits. The Small Changes That Change Everything.” “Something you’re motivated to do at the beginning of the year, you may not be motivated to do at the end of January.

Finding the best diet that works for you is important. You're making a major commitment of time, effort, willpower and in some cases, money. But where do you begin? Below, experts walk you through the process of picking the diet that best meets your unique goals and needs.