9)Polycystic ovary syndrome:- Since this condition can begin even at an early age, you will be already suffering even before you know. There is practically no way to prevent PCOS. In this condition, more male hormones are produced and causes unwanted hair to grow over the face, chest and in turn sheds the scalp hair. Main symptoms are irregular menstrual cycles, cysts in ovaries, obesity, facial hair, severe acne, hair fall, high blood pressure etc., Treatment of PCOS depends on your symptoms. Your doctor may prescribe exercises, diet and pills to reverse the hormone changes and control PCOS. If you ever miss a menstrual period for several months, consult your doctor.
10)Auto-immune system:- Hair loss may be caused due to over active immune system. This kind of hair fall is often known as alopecia areata. Due to the over active immune system, body gets shocked and disturbed. The over all functioning of the body gets confused. This affects the hair cycle and causes the shedding phase to be very active. Steroid injections and drugs like Rogaine are on the store to treat this condition.
11)Sudden weight loss:- Sudden weight loss may be caused due to diet changes or after an illness. Losing weight suddenly may itself trigger hair fall or may cause fall of vitamin levels in the body which in turn affects hair cycle indirectly. After a sudden dramatic weight loss, hair shedding may last for about 4-6 months and a nutritious diet or supplements can help abate this hair fall quickly.