A healthy diet is one that provides adequate levels of vitamins, minerals, protein, carbohydrate and healthy fats from a variety of foods. An unhealthy diet, in contrast, is one that contains too much saturated and trans fats, cholesterol, sodium, added sugars and processed ingredients or contains too few nutrients.

Lazy or sluggish bowels occur when the muscles in your colon slow down, resulting in constipation. Eating a fiber-focused diet can help wake up your colon and improve bowel function.

Red wine in moderation appears to have cardiovascular benefits. Some of the benefit from red wine comes from resveratrol, an antioxidant. In some studies, resveratrol has shown some benefit in reducing fatty liver, a common condition often related to obesity. Alcohol, including wine, can further damage the liver.

Lemon juice is such a good source of both vitamin C and citric acid that you don’t need to consume a huge amount to get the antioxidant benefits. Citrus fruits are the only sources of flavanones, which add to the antioxidant impact of lemon juice.

Like green and red grapes, the majority of the calories in black grapes come from carbohydrates. You can eat black grapes raw or use them to make jams or wine. Values listed are for 1.5 cups California black seedless grapes. Values, especially the fiber content, may vary if the skin is removed.

Additives to commercial food mixes act as leavening, emulsifiers and stabilizers and in other chemical reactions that improve the quality or shelf life of foods. Phosphate additives, such as sodium acid pyrophosphate and other phosphoric acid compounds, may pose safety concerns in certain concentrations.

If you are diabetic, well-meaning friends or family might have warned you away from corn as a starchy, carbohydrate-rich food you shouldn't eat. But corn offers plenty of nutritional benefits that make it worth the extra effort to include it as part of a balanced diabetic diet.

Evening primrose is a flowering plant that is native to North America. Its oil, which is extracted from the plant's seeds, is sold in capsule form as a supplement.

Americans eat an average of 61 pounds of refined, white sugar each year, according to an article in the October 2009 edition of "Discover Magazine." In recent years, interest in organic sugar has increased as more people become concerned with the potential health hazards of eating refined and processed foods.

Sugar and stevia are natural sweeteners that have been used around the world for centuries. Stevia as a sweetener is relatively new to the United States, but consumers rapidly are catching on to its health benefits, resulting in its addition to some commercially prepared foods.

The words "candy" and "Atkins" aren't often seen in the same sentence. While you can eat candy on Atkins, you can only eat candy low in carbohydrates and in amounts that don't exceed your daily carb allowance.

Trans fats are hydrogenated animal fats and plant oils that are used by the food industry because they help food stay fresh longer, as this alteration makes the oils more solid. They are usually present in snack foods, margarine, fried foods, shortening and salad dressings and are highly toxic for your body.