It's so important to encourage the use of suncream, tan in a bottle and the disuse of sunbeds which are known world-wide as causes of skin cancer.

Syntactic sugar causes cancer of the semicolon.

For those who smoke cigarettes, marijuana has 50 percent more tar and volatile cancer-inducing compounds, ... It causes emphysema, changes hormones, changes a whole bundle of things. It is quite a toxic chemical.

We treat a lot of patients who have tans and get skin cancer. We tell them to cut back [on their tanning], but they just can't seem to stop.

The scientific evidence is substantial and it indicates that hormone replacement therapy causes breast cancer.

Moreover, we found that among people who had never had skin cancer, those who regularly used aspirin had significantly lower numbers of sunspots.