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It is difficult to put mind over matter when struggling to survive a cancer episode. The physical demands of the body can easily overwhelm the psyche and…

Early efforts to test legal marijuana are finding that it's got lots of buzzworthy THC. But it can also have fungus, chemical residue and bacteria. What that means for health and safety isn't clear.

To some, an opossum is just a giant rat that scared you from ever going into your garage again. But North America's only marsupial may also hold the key…

Should the government recommend lean meat as part of a healthy diet? That's emerged as a political flashpoint. The panel working on federal guidelines says the evidence on lean meat is muddled.

While industry and government officials agree something needs to be done to prevent the tens of thousands of debilitating injuries among nursing staff, nobody can agree how to enforce it.

A respected scientific group says that glyphosate, also known as Roundup, is "probably carcinogenic to humans." Yet the actual risks — which are mainly to farmers, not consumers — remain uncertain.

Laparascopic surgery can be faster, safer and cheaper, but patients don't always get the choice even if it's appropriate, a study finds. Using it more often would reduce complications and save money.

Non-drug approaches for treating aggression and other symptoms of dementia work better than antipsychotic drugs, a study finds, and are less risky. That includes teaching caregivers how to respond.

The majority of individual medical studies tend to be either premature or badly formulated, so it's best to be patient and wait for the truth to become evident, says commentator Marcelo Gleiser.

A recent lawsuit raises a red flag about traces of arsenic in some lower-cost California wines. But, by Canadian standards, the trace levels are acceptable.