July 2024 in “Brazilian Journal of Clinical Medicine and Review” Hair loss after bariatric surgery is common due to nutrient deficiencies and rapid weight loss.
August 2025 in “Frontiers in Nutrition” Leucine levels may affect hair loss after bariatric surgery.
82 citations
,
August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
69 citations
,
February 1983 in “Gut” Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.
May 2025 in “Annals of surgical case reports & images.” Certain gut bacteria may protect against hair loss, while others may increase the risk.
October 2022 in “JAAD case reports” A man with itchy skin lesions and weight loss was diagnosed with a rare skin condition linked to a pancreatic tumor.
November 2025 in “Frontiers in Nutrition” Better nutrition may reduce fecal incontinence in stroke patients by lowering inflammation and improving antioxidant levels.
13 citations
,
August 2020 in “Journal of Laparoendoscopic & Advanced Surgical Techniques” Biotin supplements are generally ineffective in preventing hair loss after sleeve gastrectomy.
42 citations
,
March 2014 in “European Journal of Pharmacology” Ginsenoside F2 from ginseng may increase hair growth better than standard treatments by affecting cell growth signals.
1 citations
,
May 2008 in “Toxicon” The lowest effective dose of Botox for detrusor sphincter dyssynergia is between 75-100 units.
October 2007 in “Inpharma Weekly”
March 2024 in “Deleted Journal” Bariatric surgery improves health but often causes hair loss and vitamin deficiency.
January 2024 in “Annals of dermatology/Annals of Dermatology” Weight loss can cause temporary hair loss, especially in women and older adults.
3 citations
,
January 2016 in “CES Medicina Veterinaria y Zootecnia” Nutritional deficiencies in small animals can cause skin issues like allergies and hair loss.
31 citations
,
February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
23 citations
,
June 1976 in “PubMed” Crash dieting can cause temporary hair loss due to not getting enough energy for hair growth.
December 2009 in “Pediatrics in review” A girl with Crohn's disease had a hairball causing bowel obstruction, which was removed, and she recovered well.
GLP-1 receptor agonists for weight loss may cause hair loss, especially in women.
2 citations
,
October 1982 in “PubMed” Oral zinc supplements quickly resolved skin issues from zinc deficiency.
96 citations
,
January 1940 in “Journal of Endocrinology” Complete adrenal removal causes more hair loss in rats than partial removal.
January 2000 in “대한피부과학회지” Preventing zinc deficiency is crucial, especially in bowel disease and chronic malabsorption, with recommended skin checks and zinc supplements.
October 2014 in “Transfusion Clinique et Biologique” Iron deficiency can cause fatigue, exercise intolerance, and cognitive issues, even without anemia.
Gut bacteria may affect hair loss in people with celiac disease.
April 2026 in “Science Progress” GLP-1 therapies, especially semaglutide and tirzepatide, may cause hair loss, particularly in women and with rapid weight loss.
12 citations
,
March 1958 in “American Journal of Clinical Nutrition” Shampooing can affect the loss of minerals like calcium and iron from hair.
April 2018 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” Zinc levels in body fluids can help diagnose zinc deficiency in lambs, with fecal zinc as an early indicator.
Gut bacteria pathways may help treat hair loss in obese people.
25 citations
,
January 2017 in “International Journal of Trichology” Most Indian people with hair loss in the study lacked nutrients, especially iron.
To prevent wool loss in sheep, provide balanced nutrition and reduce stress.