Hair loss can hit you at any age, especially after puberty. Some reasons can be avoidable, like not using hair dye too close to applying hair relaxer. Maybe you’re transitioning from a relaxer to ...

Hair grows about half an inch per month on average — roughly 6 inches per year. Growth rate can vary by factors like genetics, hormones, diet, stress, and age. Hair growth rate by age can be slower ...

Puberty is a complex process involving the interplay of hypothalamic, pituitary, and gonadal hormones. It is the phase of growth in which secondary sexual characteristics develop and linear growth is ...