Health

FDA questions evidence for lower-risk tobacco product

U.S. health regulators have questions about the data submitted by tobacco maker Swedish Match in its bid to become the first company to market a smokeless tobacco product as less harmful than cigarettes.

Psychology & Psychiatry

Study blocks multiple sclerosis relapses in mice

In multiple sclerosis, the immune system goes rogue, improperly attacking the body's own central nervous system. Mobility problems and cognitive impairments may arise as the nerve cells become damaged.

Dentistry

Roman-Britons had less gum disease than modern Britons

The Roman-British population from c. 200-400 AD appears to have had far less gum disease than we have today, according to a study of skulls at the Natural History Museum led by a King's College London periodontist. The surprise ...

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