How much weight loss is cause for concern?

Ask the doctor

Q. Is it normal to lose some weight as you age? How much weight loss is too much?

A. Most people lose some weight as they age. In fact, an estimated 10% to 20% of men over 65 lose 5% or more of their body weight over the rest of their lifetime. However, losing 5% of your weight in one year or 10% over two years warrants some medical testing.

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