Cold caps tested to prevent hair loss during chemo - Article Photos 4/4

This June 20, 2013 photo provided by the subject shows breast cancer survivor Miriam Lipton, of San Francisco, holding a picture of herself, while undergoing chemotherapy two years ago wearing the DigniCap, an experimental scalp-cooling system that she credits with preserving most of her hair. Hair loss is one of the most despised side effects of chemotherapy. (AP Photo)