Physical activity as cancer prevention Dr Jacolene Kroff educates us on the underlying mechanism of how physical activity prevents cancer. The 2018 Physical Activity Guidelines Advisory Committee stated there is strong evidence that physical activity lowers the risk of colon-, breast-, kidney-, endometrium-, bladder-, stomach and oesophageal cancers.3 To understand the underlying mechanism of how physical activity prevents cancer, you need to know how cancer comes about. In all cells, the genetic make-up will determine how that cell will grow, develop and function within the body. However, in certain cases something can go wrong with the programming of the cell responsible for…