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Anti-smoking vaccines in teens not worth cost: study

NEW YORK (Reuters Health) – A vaccination campaign to prevent teenagers from taking up smoking would be too expensive to recommend, according to Australian researchers who looked at the costs and benefits of anti-nicotine shots in development. Taking into account the effectiveness demonstrated so far by experimental vaccines designed to…

Some U.S. women live far from maternity care

NEW YORK (Reuters Health) – Some U.S. women, especially in the rural West, live more than an hour’s drive from a hospital with maternity care, a new study finds. There’s no set ideal for how close a pregnant woman should live from a maternity hospital. And the study did not…

Liquid battery could charge green energy

Engineering professor Donald Sadoway on Thursday used an old-school chalk board at the prestigious TED gathering to write the formula for a liquid battery that could one day cut the need for new power plants. “The way things stand, electricity demand must be in constant balance with supply,” Sadoway told…

Is chocolate really heart-healthy?

NEW YORK (Reuters Health) – That heart-shaped box of chocolate you got for Valentine’s just might have some benefits for your real heart, a new study hints. The study, which combined the results of 42 small clinical trials, found that people fed chocolate or cocoa for a few weeks to…

Ocean acidification may be worst in 300 million years: study

WASHINGTON — High levels of pollution may be turning the planet’s oceans acidic at a faster rate than at any time in the past 300 million years, with unknown consequences for future sea life, researchers said Thursday. The acidification may be worse than during four major mass extinctions in history…

Is sharing the key to advanced society?

WASHINGTON — The ability to share knowledge and learn from each other may be the key difference between people and chimpanzees that helped humans to dominate the modern world, scientists suggested on Thursday. The research in the journal Science aimed to discover what has allowed humans to establish what is…

Cannabis use tied to psychosis recovery trouble

(Reuters) – People who suffer an episode of psychotic symptoms may want to steer clear of marijuana afterwards, according to a study from the Netherlands. Researchers, whose findings appeared in the Journal of Clinical Psychiatry, found that people who kept smoking cannabis after a psychotic break tended to have certain…

Coffee drinking not linked to chronic illness: study

(Reuters) – Coffee drinkers have no more risk of getting illnesses such as heart disease or cancer, and are less likely to develop type 2 diabetes, according to a German study involving more than 40,000 people over nearly a decade. The findings, published in the American Journal of Clinical Nutrition,…

Fried food raises stroke risk in older women

Older women who eat high amounts of the kind of fat found in fried foods and baked goods face a greater risk of stroke than women who eat lower fat diets, a US study suggested. However, aspirin use could cut those risks, said the researchers from University of North Carolina…

French astronomers find Venus day is getting longer over time

Contrary to its alluring name, Venus is the planet from hell, with an atmosphere so hot, toxic and heavy that any visitor would risk being simultaneously melted, suffocated and crushed. But not just that: the second planet from the Sun turns on its axis so slowly that, for any survivor,…

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