Welcome to HCM.
Yes,it is very early hair loss,
Masturbation has no any effect on it but it causes generalized weakness.Avoid this much frequency.
You have typical hair loss due to family history.
You can prevent it to some extent.
.Use proper hair oil.Don't keep it dry more frequently. Eat good nutritious,high fiber food.Drink enough water and other liq. like fruit juices,vegetable soups,buttermilk.sprouted pulses is also helpful.
Start regular exercise,yoga.
Start local spray of
minoxidil and
aminexil.
Oral medicines which contains biotine,
inositol,zink,l-lysine,niacinamide,ca.pantothenate,vitamin-e,B12 .
Ask your doctor for all this medical management.