Question

why do hairfall explain its main reason

Answer 1

Androgenic alopecia is a genetic condition that can affect both men and women. Men with this condition, called male pattern baldness, can begin suffering hair loss as early as their teens or early 20s. It's characterized by a receding hairline and gradual disappearance of hair from the crown and frontal scalp

Answer 2

"Medical condition that can cause hair loss include thyroid disease, alopecia areata (an autoimmuni disease that attacks hair follicles), and scalp infection like wringworm........A diet laking in protein, iron, and other nutrients can lead to thinning hair"