The demand for GLP-1 weight loss drugs has surged, evolving from their initial use for type 2 diabetes into a multi-billion-dollar industry. However, this rise has sparked public health concerns, including anxiety and insomnia. Dr. Saurabh Sethi, a gastroenterologist, outlines six critical facts about these medications. Firstly, GLP-1 drugs slow stomach emptying, which can lead to nausea for up to 40% of users. Additionally, constipation may be more severe than expected, affecting one in three users due to decreased gut mobility. Notably, weight loss may consist of 40-50% muscle mass, highlighting the importance of protein and resistance training. Users may also experience a reduction in appetite, a phenomenon attributed to the drugs' effects on brain receptors. However, rapid weight loss poses a risk for gallstones, with clinical trials indicating a higher incidence among users. Lastly, Dr. Sethi warns that weight often returns quickly after discontinuation of the drugs, with users regaining two-thirds of lost weight within a year. He emphasizes that these medications should be viewed as tools rather than shortcuts for weight management.