<s>[INST] Is obesity a chronic disease? [/INST] Yes, obesity is a chronic disease that is defined by the World Health Organization (WHO) as abnormal or excessive fat accumulation that may impair health. The American Association of Clinical Endocrinologists (AACE) and the American College of Endocrinology (ACE) have published practice guidelines for treating patients with obesity. Source: Rethink Obesity. Link: https://www.rethinkobesity.com/advocacy-resources/faq.html. Field: Endocrinology. Disease: Obesity </s>