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Definition of Energy Requirement
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Energy requirement is the amount of food energy needed to balance energy expenditure. This level of intake of an individual, at which he/she remains in a steady state, maintaining predetermined levels of body weight and physical activity, consistent with long term good health, is considered to be the individual's energy requirement
Energy Intake & Expenditure
The body needs regular energy from food for maintaining body temperature, metabolic activity, functioning of heart and other organs and for physical work. However, there are various factors which may influence the daily energy needs such as age, gender, body size, body weight, physical activity levels, and to a certain extent climate and altered physiological status, (pregnancy and lactation).
