Aging and Metabolism
After age 45, the average individual loses around 10% of their muscle mass per decade.1 This equates to losing about one
cheap Michael Kors outlet third to one half a pound of muscle each year and also gaining that much in body fat. Because muscle mass burns a lot of calories compared to fat, the total number of calories needed goes down.
How Aging Impacts Metabolism
Many studies have been done to understand why people gain weight as they age and the answer
michael kors handbags outlet is clear the change in body composition accounts for the vast majority of the decline in metabolism.
There are also a growing number of studies, however, that suggest that body composition does not
Michael Kors discounts account for all of the weight gain associated with the aging process. Decreases in the calories
cheap michael kors used by the body’s organs, such as
cheap Michael Kors the heart and liver, also seem to occur as the body ages.2,3,4
Physical activity plays a role in both body composition and metabolism during the aging process. Research
cheap Michael kors handbags outlet shows that most individuals gradually reduce their level of physical activity as they age, which further reduces their number of calories needed to maintain weight. Less activity also means less use of the body’s muscles, which contributes to the general decline in muscle mass and subsequent changes in body composition.
Overall, these age related changes means that the average 50 year old woman needs around 300 500 fewer calories per day than she did in her
replica Michael Kors outlet twenties to maintain the same body weight. So for those who gain weight while aging, the reason is not necessarily eating more; but rather eating the same, while needing fewer calories.Articles
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