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why do living organisms consume food (2)
1. Source of energy (calories)
2. Source of essential nutrients
Essential nutrients cannot be synthesized by the body in sufficient quantities to meet biological needs, so they must be obtained from the diet.
Percentages of obese populations in Canada
1/3 kids overweight or obese
2/3 adults overweight or obese
#1 risk factor for chronic diseases
diet
Eating vegetables and fruit whole grains, plant-based proteins reduces risk of (3)
heart disease
T2D
colorectal cancer