Based on this theory, each type -- A, B, AB or O blood types -- operates best on a different diet. Research to support the blood type theory is lacking, however.

There are fewer carbs in thin crust pizza than thick crust pizza, but a thin crust cheese pizza may still be high in calories and saturated fat.

Like other organ meats, cow tongue offers many nutritional benefits, including being rich in protein, vitamin B12, choline and zinc. But it's also high in saturated fat and cholesterol.

Symptoms of a yeast intolerance can include stomach cramps, diarrhea, nausea or vomiting. Obvious sources of yeast include bread and alcohol, but it can also be found in fruits, condiments, dairy products and dietary supplements.

Tripe, made from the lining of a cow's stomach, is eaten all over the world for its economical high-protein, low-calorie, low-fat and low-carbohydrate content.

The topic of genetically modified foods creates heated debate from both sides. Let’s review what you need to know when it comes to GMOs, including the pros and cons.

The 40-30-30 meal plan, also called the Zone diet, emphasizes the ratio of the types of food you eat, rather than restricting particular food groups. If you're looking to lose weight and enjoy a balanced lifestyle, it can help you look and feel your best.

Pho health benefits come primarily from its nutritional value. This soup supplies several key vitamins and minerals, but its sodium content can be an issue.

If you're like many people, you may consider a smoothie a healthy choice for your diet. But many of the smoothies at Jamba Juice contain as much sugar as a decadent dessert.

A 6-ounce portion of sirloin steak is twice as big as a usual 3-ounce portion -- which is about the size of a deck of cards or the palm of your hand, according to MedlinePlus. Eating a 6-ounce, protein-rich sirloin will help you achieve -- or exceed -- your daily protein needs.

While yeast served on its own probably isn't a staple in your diet, you likely eat at least one of the three common dietary types -- baker's yeast, brewer's yeast and nutritional yeast. Some people consume yeast as a dietary supplement, add it to recipes and, of course, use it in baking.

Although most commonly thought of as a non-alcoholic nightcap and natural sleep aid, warm milk offers health benefits no matter when you drink it.