Two factors that have a major impact

Two factors that have a major impact on weight gain are excessive calorie intake, leading to greater fat reserves and low physical activity, which results in a decline in lean body mass.

Marked changes in body composition

Traditionally it has been considered that the human body consists of several compartments: fat mass, muscle mass, bone mass and water. Throughout the lifetime of the individual will produce changes in body composition as in the operation of all organs.
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