A: The warning label you refer to is an artifact of a California ballot question—the Safe Drinking Water and Toxic Enforcement Act of 1986 (better known as Proposition 65)—designed to alert consumers to the presence of toxic substances in … Proposition 65 requires the State of California to publish a list of chemicals known to cause cancer, or birth defects or other reproductive harm. Take the plasticizer that is used in exercise equipment, called DEHP, which is why dumbbells have warning labels. So, if IARC or NTP have determined that a substance poses a potential cancer hazard, the substance or product will require a cancer warning label. Even if you were not active before your cancer diagnosis, an exercise program that meets your unique needs can help you get moving safely and successfully.Benefits of exercise That is beyond extreme and just plain silly. Sara Mansfield, M.S., a certified cancer exercise trainer at Mayo Clinic Healthy Living Program, says physical activity can help people before, during and after cancer treatment. You’ve heard for years that physical activity is important for your health. Prop 65 warning labels highlighting the risk of cancer, reproductive harm, and birth defects are popping up on so many of the products I’m buying these days. Untested doesn’t’ mean a product is safe; it means it’s untested. Cancer Council Queensland kindly permitted its booklet Exercise for people living with cancer to be used as source material, including the use of many of the exercise … If a product doesn’t carry a cancer warning label, it may be because it has never been tested for carcinogens. And is it from just wearing the gloves or if you accidentally ingest some part of it? I understand the need for the warning labels on products, but there has to be a better measuring stick than the "more than one excess case of cancer out of 100,000 people over a period of 70 years". If it is, what is the specific chemical? "Loving family members may be urging a person with a cancer diagnosis to rest," she says, "but that can lead to a functional decline. A growing amount of research shows that regular exercise can greatly improve physical and mental health during every phase of treatment. Is this true? DEHP isn’t readily absorbed through human skin. Exercise for cancer patients may carry a slightly higher risk for heart problems. You may even know that exercise is important when it comes to cancer: It may lower cancer risk by helping control weight, reduce sex hormones or insulin, and strengthen the immune system; and it can boost quality of life during cancer treatment.Now, a new study from researchers at the American Cancer Society … Exercise is an important part of a cancer treatment plan. This list, which must be updated at least once a year, has grown to include approximately 900 chemicals since it was first published in 1987.