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The latest update to the Dietary Guidelines for Americans states that many people are not getting enough of four essential nutrients: calcium, potassium, dietary fiber, and vitamin D. But how much of these nutrients should you aim for and what are some good sources for them?

Fatty liver disease is a condition caused by irritation to the liver, and one specific type is triggered by metabolic risk factors. Following a healthy diet can prevent or possibly even reverse it.

People who follow a combination of healthy diet plans that share similar traits may have a lower risk of death from cardiovascular disease and cancer.

There’s no evidence that maintaining a healthy lifestyle will suddenly boost the immune system. However, it’s clear that healthy lifestyle habits contribute to overall health, supporting the body’s ability to fight infections instead of creating new problems. Healthy habits that help maintain a robust immune system include getting seven to nine hours of sleep per night, exercising, reducing stress, eating a healthy diet, not smoking, drinking alcohol only in moderation, maintaining a healthy weight, and getting underlying conditions under control.

Healthier eating starts with food shopping, and supermarkets are full of choices that are both nutritious and less so. But trips to a grocery store don't have to feel overwhelming or be budget-blowing; it just takes a little planning, strategy, and thinking ahead.

Cutting back on red meat and replacing it with poultry or seafood is a good choice because those are healthier sources of protein — and better for the environment. Choosing seafood that is lower on the food chain can amplify those benefits.

Nuts contain healthy unsaturated fats, protein, and important nutrients like potassium, and there is ample evidence that eating nuts regularly helps protect against heart disease.

Making small, gradual changes to your eating habits and patterns is an easy way to incorporate the Mediterranean diet approach into your life.

Beverages that promise similar energy perks and health benefits as coffee and tea are growing in popularity. Often marketed as wellness drinks, how do these alternatives stack up nutritionally?