Catfish is high in protein, low in fat and a good source of essential vitamins and minerals such as vitamin B-12 and phosphorus. A 3-ounce serving of catfish is also rich in the omega-3 fatty acids linked to a decreased risk of heart disease.

Red meat offers solid nutritional benefits: It’s high in quality protein and a good source of vitamin B-12, iron and zinc. On the other hand, it’s high in saturated fat and cholesterol. You can limit unhealthy fats by choosing lean cuts of meat, but that doesn’t help other health concerns.

Chicken can be a low-fat, good source of protein, but when it's prepared in unhealthy ways, the fat content is increased due to fried coatings and creamy sauces. To retain the healthy nature of chicken, it's important that you cook it in a way that does not use extra fat.

When your mother told you to finish all of your vegetables, she was definitely onto something. In 2010, the USDA and Department of Health and Human Services jointly published their new dietary guidelines, which suggest increasing the amount of vegetables in your diet.

Hailing from Japan, udon noodles typically contain just wheat flour, water and salt. These thick noodles are light on calories, but traditional refined versions are also short on nutrients. For better nutrition, choose whole-wheat noodles instead -- these come packed with vitamins and fiber.

Genetically modified foods, commonly referred to as GMOs, are foods that have been implanted with genetic material from other species of plants or animals. While several major U.S. crops have been genetically modified, the number of genetically modified vegetables is limited.

Expressed from the fruit of a palm tree, palm oil, like most other oils, contains about 120 calories and 13.6 grams of fat per tablespoon. The breakdown of saturated and unsaturated fats plays an important role in the comparison of palm oil to other vegetable oils.

Two important dietary changes can help lower your cholesterol. You can boost the amount of soluble fiber in your diet and restrict the amount of saturated and trans fats you consume. Potatoes can help you meet both goals. They're good sources of fiber, including the soluble type, and they're a fat-free food.

Nutrisystem provides home-delivered diet meals designed to help you lose weight, but Nutrisystem is not the only available diet delivery system. Some plans are similar to Nutrisystem in that you are required to purchase supplemental foods, such as fresh fruits and vegetables, to go along with the delivered meals.

Consumers frequently spot vegetables at the supermarket labeled as hydroponically grown, but confusion still exists over how these healthy looking vegetables stack up against conventionally grown produce.

You may feel almost helpless at times, trying to resist the ubiquitous temptation to indulge in greasy food. Whether your favorite guilty pleasure is French fries, cheeseburgers, pizza, fried chicken, bacon, potato chips or nachos, you probably know these are not healthy food choices.

Protein plays a crucial role in a bodybuilder's diet, as protein molecules are the building blocks for new muscle tissue. But eating the same high-protein foods such as chicken, canned tuna and eggs can get boring, and it's important to get variety in your diet.