my wife is experincing hair loss. this os a list of meds. she is on .Vayacog 310 mg.,Evista hcl 60 mg.,Folic Acid 1 mg.,Donepezil HCL 10mg.,Namenda 28 mg.,Glucosamine 1500 mg.,Chonorotin 1200 mg.,Omega-3 flaxseed oil 1000 mg.,Vit. E 400I.U. Calcium 600 mg/Vit.D3 800 I.U.,hair,skin& nails w/antioxidants.,Vit. D2 1.25 mg. Could any of these be a cause?