Hi, I understand your concern, falling hair is a part of aging, n also part of the lifestyle we lead. It also depends on your family history of hair fall. If all these factors are OK, then you can do a comprehensive check up to detect your sudden downward slide of health and hair fall.  To keep hair follicles healthy n glowing, one needs to have lots of fluids and rich sources of omega 3 like sea fishes, flaxseed, walnut. Try these,it will help.

What is your height and weight .

Imbalance nutrition may create this problem..first do some comprehensive test like lipid profile, check ur vit levels like D3,b12. According to ur report take a proper dietplan and supplement if required. Indulge in some activity that make your metabolism level balance.