&gt;Stop smoking, and control how much alcohol you drink, continue to be important public health messages to reduce the incidence of cancer.<p>That obviously depends on the type of cancer. Smokers are way more likely to get lung cancer but for other types of cancer with high mortality rates (prostate, breast, myeloma, lymphoma etc) there is no single attributable &#x27;exposure&#x27; that is known to be the cause.