Nutrition is a knowledge that examines the relationship between diet and strength. Dietitians are health professionals who specialize in this part of study, and are trained to provide safe, evidence-based nutritional advice and interventions.
Deficienciess, excesses and imbalances in diet can produce negative impacts on health, which may lead to diseases such as cardiovascular disease, diabetes, scurvy, fatness or osteoporosis, as well as mental and behavioral troubles. Moreover, unnecessary intake of elements that have no perceptible role in health, (e.g. lead, dioxins, mercury, PCBs), may incur toxic and potentially fatal effects, depending on the dosage.
Many familiar diseases and their symptom can often be prevented or alleviated with better nutrition. The science of nutrition attempts to be aware of how and why specific nutritional aspects influence health.
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