5 strange things that cause headaches

5 strange things that could be causing your headache

Too-tight ponytail

Yes, it could be as simple as changing your work hair-do every now and then. When your hair is pulled back tightly and tied, it strains the connective tissue in the scalp, leading to pain. Headbands and tight-fitting hats can also have the same effect - especially all at once!

May 11, 2012