What are the causes of hair loss in a 30-year-old man?

30-year-old male hair loss, the most important reason or excessive oil secretion, that is, we often say seborrheic hair loss. Scalp oil secretion too much damage to hair follicles, it will lead to hair loss. Secondly, physical deficiency may also lead to hair loss, which is related to poor scalp blood circulation, patients can eat more foods rich in protein and trace elements.