wow was so glad to see this forum started I have been loosing hair for about a year now..is getting worse everyday at first I thought it was my thyroid but since I am on medication for that and have it tested all the time with normal readings..and then started menopause thought it was due to that but on natural cream for that and also tested regular am at a loss...back of head itches sometimes so bad think I could rip the skin off...and everytime i comb my hair arge amounts fall I have even started gathering it up and saving it to show the stupid doctor that I am not over acting about this problem...So now that I have seen your message I will ask to have my vitamin d checked...thanks....will be interested to see what happens with yours....keep us posted.......anita