Free Online Nutrition Courses

Nutrition is the selection and preparation of foods and their ingestion to be assimilated by the body. By practicing a healthy diet, many known health issues can be avoided. The diet of an organism is what it eats, which is largely determined by the availability and palatability of foods.

Dietitians are health professionals who specialize in human nutrition. Nutrition includes meal planning, economics, and preparation. Dieticians are trained to provide safe, evidence-based dietary advice and management to individuals and institutions. Clinical nutritionists are health professionals who focus more specifically on the role of nutrition in chronic disease, including possible prevention or remediation by addressing nutritional deficiencies before prescribing drugs. Government regulation of the use of this professional title is less universal than for “dietician.”

A poor diet may have a detrimental impact on health, causing deficiency diseases such as scurvy, health-threatening conditions like obesity and metabolic syndrome, and such common chronic systemic diseases as cardiovascular disease, diabetes, and osteoporosis.

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