Im 17 male and i have a problem of hair thining and a patch of less hair is developing in the back side of my head. i am worried about it. help me?

Hair loss/ Balding: Heredity is the major cause of hair loss/ balding. Female-pattern baldness occurs as hair thins. Male-pattern baldness leads to bald spots & receding hairline. Other causes: Alopecia,Ringworm infection, scarring alopecia (from conditions like Lichen planus, Lupus & Sarcoidosis), hormonal changes (menopause, pregnancy, childbirth), thyroid imbalance, excess Vit. A intake, certain medications, >