Snoring can be caused by being overweight, particularly in men.

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The habit can be caused by being overweight, drinking alcohol, having collapsed airways, a blocked nose, or by taking some types of medicine such as sleeping tablets before bed.

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Type 2 diabetes, which accounts for 90% of diabetes cases, can be caused or exacerbated by a unhealthy diet, lack of exercise and being overweight although this is not always the case as some sufferers have a genetic vulnerability.

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