For women, nutritional deficiencies, hormonal imbalances, PCOD, hyper- or hypothyroidism may be the main causes. Therefore, men and women may have different causes for hair loss, but stress - physical or mental, and using bad products can make the stress even worse.
Does wearing helmets for long periods cause hair loss? Doctors do not say that wearing helmets for long periods causes hair loss. However, wearing a helmet for a long time can cause health problems due to sweat, especially dandruff, and pulling on the hair follicles can cause traction alopecia.