What is getting more attention? Michael Phelps ending his career with 23 Olympic gold medals or the bruises all over his body? We all noticed the welts - dotted across his shoulders and back - as he swam to victory and it re-ignited interest in an ancient eastern therapy called cupping. Find out what cupping is all about in Health Watch.

A 2,000-year-old Chinese practice is being integrated into modern medicine. Learn more about acupuncture in tonight's Ask the Doctor.