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Gaining weight summary

If you need to gain weight because you’re underweight, it’s important to do so safely. Speak to a doctor or dietitian for further guidance before making any changes to your diet.

Gaining weight

A guide to gaining weight safely
Keeping your weight up in later life
Weight loss (unexpected and unplanned)
Underweight teen boys
Bodybuilding and sports supplements: the facts
Underweight teen girls
How can I gain weight safely?
What is the body mass index (BMI)?

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