[:Video(5196643203001,large,false):] Chemotherapy patients often talk about the emotional impact that comes with losing their hair during treatment. But many don’t anticipate the physical effects—like trying to stay warm when your head is bare. Treatments, infections and cancer itself often play a role in disrupting your body temperature. Add in chemotherapy-induced hair loss, known medically as alopecia, and you may be looking for ways to cover up. Many patients have found that headscarves help, offering both comfort and style. But how to tie them?