Periods come in all different forms. Some are short, some are light, some are heavy, and some are so, so painful. And for some of us tampon-wielding soldiers, periods can bring excruciating headaches along with them.
Much like periods, there are also a number of different types of headaches. But we wanted to better understand why we get a headache every time Aunt Flo comes to town, so we talked to a real doctor to find out.
Read more here.