The chemical had been linked to cancer in laboratory animals.

No evidence linking the phones to cancer has ever been documented.

It has also been linked to cancer in laboratory animals.

In response, the industry paid for independent safety studies, which have yet to clearly link cell phones to cancer.

Solid evidence linking some viruses to cancer has come to light only since 1984.

It has been linked to heart disease, high blood pressure, kidney problems and cancer.

About 90% of cases can be linked to cancer.

He says all the studies show sunburning is linked to cancer.

Build up of the free radicals can be linked to heart disease, arthritis, and cancer.

I have to do a research paper and it's a report in studies linking nitrosoamines to cancer.