I have been loosing hair. Lots of stress. Vitamin D b12 and zinc deficiency. Father has norwood 3 . Grandfather (maternal) no baldness (age 60) . Grandfather (paternal) no baldness ( mild thinning he was age 80. Father startee losing hair noticably after stressful event and moving into a new city (lets call it X) I have also started living in city X for 5 months and hair loss is noticable. Almost 60 percent male here have noticable hair loss as well as females. (Too much heat and pollution). I had a very good hairline in January 2019 hair was dense and  20in November18 . But hair fall was noticable( drain  hole clogged everyday was really stressed as well) But I have also noticed my hairline is now norwood 2 or between 1 and 2 at least. Here are a few pics. Back top, back of my head and side. Pls help me and tell me if it's just due to stress . Or due to stress as well as genetic or just genetic. I also have dandruff and my head burns at times. Where ever it burn j lose a lot of hair Also I have hypoxia ( lack of oxygen, which can cause hair loss) a d need to get a surgery for my nose. (Tissues and bone) . My hemoglobin levels were higher than usual levels top limit so I have hypoxia and I dont breathe a lot of air.