January 2023 in “Voennaâ medicina” Hair loss in women can improve with iron and vitamin supplements if caused by iron deficiency.
March 2023 in “Медицинский совет” COVID-19 may cause different types of hair loss, and the virus's effects on hair could help understand its impact on other body parts.
September 2021 in “CRC Press eBooks” Alopecia areata incognita causes sudden hair thinning, responds well to steroids, and is more common in those with genetic hair loss conditions.
Nutritional deficiencies can cause hair loss, but it can be reversed with a normal diet and less stress.
The paper concludes that the patchiness of alopecia areata is likely due to when the immune attack happens in the hair growth cycle.