So, some women can develop irregular cycles because of medical conditions such as thyroid abnormalities, but both weight loss and weight gain can play a role as can stress.

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Some popular diabetes drugs come with side effects including weight gain, bone loss and even a small risk of certain cancers.

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As they age rapidly, these children suffer from a loss of body fat and hair and an inability to gain weight.

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In addition, people often overconsume no-sugar products because they assume that they must be healthier, and they end up taking in more calories than they need which leads to weight gain or prevents weight loss.

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