August 2016 in “Journal of Investigative Dermatology” Zinc deficiency disrupts hair growth and cycle, but zinc supplements can fix this.
10 citations
,
November 1946 in “Journal of the American Medical Association” Severe vitamin deficiencies in children can cause significant hair problems.
November 2021 in “International journal of biology, pharmacy and allied sciences” Air pollution is a major cause of hair fall, scalp problems, and dandruff.
2 citations
,
September 1997 in “Archives of Dermatology”
Low vitamin D3 and ferritin levels may cause hair loss in pregnant women.
6 citations
,
November 1990 in “DICP”
21 citations
,
January 1988 in “Critical Care Medicine” Critically ill patients may experience temporary hair loss after a fever.
October 2025 in “Nature Reviews Disease Primers” October 2025 in “Nature Reviews Disease Primers” November 2021 in “Skin appendage disorders” Self-induced hair loss should be considered in patients with androgenetic alopecia.