2. Medications

Pharmaceuticals could be responsible for up to 15% of obesity cases, according to the Cleveland Clinic's Bariatric and Metabolic Institute. Some drugs cause the body to burn calories more slowly. Others stimulate the appetite or alter the digestion and storage of nutrients and sugars. They may also encourage water retention. Medicines associated with weight gain include:

  • Steroids
  • Beta-blockers for hypertension
  • Diabetes drugs
  • Antipsychotic medications
  • Antidepressants
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