A novel strategy to treat a life-threatening irregular heart rhythm called ventricular tachycardia relies on noninvasive radiation therapy, which is typically directed at cancerous tumors. Noninvasive imaging techniques show irregular heart tissue mapped with the location of misfiring electrical signals, allowing doctors to direct radiation at the specific area of the heart triggering the problem.

The percentage of American seniors with dementia is dropping, a new study finds. Credit: © Sondem / Fotolia In a hopeful sign for the health of the nation’s brains, the percentage of American seniors with dementia is dropping, a new study finds. The downward trend has emerged despite something else the study shows: a rising

Children who reported watching TV or playing video games before bed got an average of 30 minutes less sleep than those who did not, while kids who used their phone or a computer before bed averaged an hour less of sleep than those who did not. Credit: © Soloviova Liudmyla / Fotolia It may be

Type 2 diabetes (stock image). Credit: © designer491 / Fotolia Type 2 diabetes can be reversed following an intensive weight management programme, according a randomised trial in adults who have had the condition for up to 6 years, published in The Lancet. The study showed that after 1 year, participants had lost an average of

Low doses of penicillin routinely fed to livestock in the 1950s in North America and Europe may have encouraged antibiotic-resistant bacteria to evolve and spread. Credit: © voren1 / Fotolia Bacteria that can pass on genes resistant to ampicillin, one of the most commonly used antibiotics today, emerged several years before the widespread use of

New research suggests that statins are associated with lower rates of breast cancer and subsequent mortality. Credit: © designer491 / Fotolia A 14 year study in more than one million people has found that women with high cholesterol have significantly lower rates of breast cancer and improved mortality. The research, presented today at ESC Congress,

  The current version of the “speed training” software, now called Double Decision and produced by the company Posit Science. Credit: Posit Science Aging research specialists have identified, for the first time, a form of mental exercise that can reduce the risk of dementia. The cognitive training, called speed of processing, showed benefits up to

Forty-seven sleepwalkers in this study reported having experienced at least one injurious sleepwalking episode. Only 10 reported waking immediately due to pain; the other 37 perceived no pain during the episode, but felt pain later in the night or in the morning. Credit: © Alexandr Vasilyev / Fotolia A new study of sleepwalkers found an

Washington University researchers activated the Hedgehog protein pathway in the fat cells of mice. After eight weeks of eating a high-fat diet, mice that had been engineered with genes to activate the pathway didn’t gain weight (left), but control animals whose Hedgehog pathways were not activated became obese (right). Credit: Washington University School of Medicine

Blood sample with manganese test result. (stock image) Credit: © jarun011 / Fotolia Researchers using a rodent model of childhood manganese exposure have found that too much manganese early in development causes lasting attention deficits and other impairments. Manganese is an essential element, required by the body in trace amounts. High levels of exposure can

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