<s>[INST] How long after gastric bypass surgery will it take for my hair to stop thinning and grow back normal? [/INST] Any weight loss induced by medicines, diet, any illness or after surgery can innduce some hair fall.This hair fall can be prevented by vitamins , minerals, protein supplements, biotin , adequate hydration, adequate fibre intake . adequate iron intake under the supervision of qualified baritric expert and nutritionist. There is nothing to worry as hairfall is temporary and not the hair loss Source: LOC. Link: https://obesityasia.com/faqs/. Field: Endocrinology. Disease: Obesity </s>