Tirzepatide generally produces greater average weight loss than semaglutide in obesity trials, but the correct comparison uses obesity brands and doses, not casual brand substitution.
After semaglutide is stopped, appetite suppression fades, biological pressure to regain can return, and many patients recover a substantial portion of lost weight. The outcome is variable, not inevitable in the same degree.
Yes. Many people lose weight without semaglutide, but the amount, durability, biological difficulty, and health benefit vary. The real question is which treatment intensity matches the disease.
PCOS can intensify insulin resistance, androgen-related symptoms, sleep problems, psychological burden, and weight stigma. It can make weight management harder, but PCOS is not defined by obesity and weight loss is not the only treatment.
Overt hypothyroidism can cause weight gain, but the typical effect is often modest and partly due to salt and water retention. It does not explain every case of obesity.
Reducing appetite is not a superficial side effect. Appetite regulation is a central disease mechanism in obesity. Modern incretin-based medicines also affect glucose control and several downstream complications.
Pathological cortisol excess can cause central fat accumulation and severe metabolic disease. Ordinary psychological stress may influence appetite and sleep, but a single random cortisol value cannot diagnose the cause of belly fat.
Leptin resistance is an important model of why high fat stores do not automatically suppress appetite in common obesity, but it is not a routine laboratory diagnosis with a simple supplement cure.
Women do not universally lose less weight than men, but sex-related body composition, reproductive hormones, pregnancy, menopause, social roles, and treatment access can create different trajectories.
No single diet is universally superior because patients differ in hunger, culture, metabolic disease, medications, food access, gastrointestinal tolerance, body composition, and the ability to sustain a pattern.