Exercise Oncology (IMAGE) Edith Cowan University Caption A single bout of exercise has been found to produce anti-cancer proteins called myokines which can significantly inhibit tumour growth even in advanced stages of the disease. Credit Edith Cowan University. Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.