Are e-cigarettes safe to puff?

As electronic or e-cigarettes grow in popularity, some health advocates want them to be regulated. 5:58 PM ET

Sexually transmitted oral cancers screened with early blood test

Antibodies to a high-risk type of a virus that causes mouth and throat cancers when transmitted via oral sex can be detected in blood tests many years before onset of the disease, according to a World Health Organization-led team of researchers. 1:02 PM ET

Parents in dark about teens tanning, study suggests

New research into the use of indoor tanning salons by Alberta teenagers suggests their parents are clueless about it. 1:43 PM ET

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