Nutrition is a science that examines the relationship between diet and health. Dietitians are health professionals who specialize in this area of study, and are trained to provide safe, evidence-based dietary advice and interventions.Deficiencies, excesses and imbalances in diet can produce negative impacts on health, which may lead to diseases such as cardiovascular disease, diabetes, scurvy, obesity or osteoporosis.Many common threats and their symptoms can often be prevented or alleviated with better nutrition. The science of nutrition attempts to understand how and why specific dietary aspects influence health.

The problem with the food pyramid is that it makes little distinction in food quality. It tells you to minimize fats, but does not tell you which fats are best. It also emphasizes carbohydrates, which for many may be inappropriate.

Despite myths, snacking can actually be a good way to maintain a healthy weight; it's better to eat less at a time more often throughout the day, says Linda McLachlan, RD, CDN, a New Jersey dietitian with Nutrition Matters, LLC. However, your choice of munchies can prove to be your downfall. Check out which foods work great as diet snacks.

Don't let your diet--or stomach--be held captive by these nutrition myths

Have you heard the one about the fat-forming carbohydrate? Food & Nutrition is continually faced with the challenge of dispelling common myths about calories and weight management, ten such myths have been covered.

Such myth as separate nutrition, less fat food you eat that slimmer body you have, rye-bread is great for diet and some others common opinions.