Shiatsu, accepted in Japan as a conventional form of medicine, is considered in the West to be a technique for promoting “well-being”. The practice consists of manual pressures, stretches and rotations of different parts of the body, with the aim of rebalancing the energetic system. In addition to having very positive benefits in terms of general relaxation, Shiatsu also has a more therapeutic purpose. It is this aspect of Shiatsu to which this article is addressed. The study reveals a significant reduction in the side effects of chemotherapy experienced by a group of cancer patients receiving Shiatsu whilst undergoing their treatment.