Studies

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News • Smoking study

Years of life could be saved if smokers switched to e-cigarettes

Up to 6.6 million premature deaths could be prevented in the US if smokers switched to e-cigarettes over a ten year period, suggests a study published in Tobacco Control, and those smokers who switched to vaping would live for a collective total of up to 86.7 additional million years. A research team, led by Dr David Levy at Georgetown University Medical Center in Washington DC, modelled the…

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News • Predicting cognitive decline

Odor identification problems may be a warning bell for dementia

A long-term study of nearly 3,000 adults, aged 57 to 85, found that those who could not identify at least four out of five common odors were more than twice as likely as those with a normal sense of smell to develop dementia within five years. Although 78 percent of those tested were normal – correctly identifying at least four out of five scents – about 14 percent could name just three out…

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News • Personalized medication

Opioids often overprescribed

In a review of half a dozen published studies in which patients self-reported use of opioids prescribed to them after surgery, researchers at Johns Hopkins report that a substantial majority of patients used only some or none of the pills, and more than 90 percent failed to dispose of the leftovers in recommended ways.

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News • Virus study

Close contact not at fault for Zika spread

Saliva is no way to pass a Zika virus infection. According to researchers at the University of Wisconsin–Madison who conducted studies with monkeys, casual contact like kissing or sharing a fork or spoon is not enough for the virus to move between hosts.

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News • Long-term support

Stroke: Lethal risk even without complications

People who survive a stroke or a mini-stroke without early complications have an increased risk of death, another stroke or heart attack (myocardial infarction) for at least 5 years following the initial stroke, found a new study published in the Canadian Medical Association Journal.

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News • Exposure study

Got eye freckles? The sun might be to blame

In a study well-timed for summer, vision scientists have found that eye freckles, dark spots on the colored part of the eye (iris), are more frequently found in people with higher lifetime exposure to sunlight. While not malignant, eye freckles could indicate the presence or risk of sunlight-triggered eye diseases like cataract or macular degeneration.

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News • Study results

Dieting does not help autistic kids with GI trouble

Many children with autism spectrum disorder experience significant gastrointestinal issues, but the cause of these symptoms is unknown. Professionals in the medical community have suggested a potential link between diet and gastrointestinal issues related to autism. Now, researchers from the University of Missouri School of Medicine have found that diet is not a contributing factor in these…

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News • Preventing Alzheimer's

$20 million lifestyle intervention trial to prevent cognitive decline

The Alzheimer's Association announced the launch of a $20 million U.S. two-year clinical trial to test the ability of a multi-dimensional lifestyle intervention to prevent cognitive decline and dementia in 2,500 older adults with no current cognitive symptoms but who are at increased risk for later cognitive decline. The announcement was made at the 2017 Alzheimer's Association International…

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News • Molecular mechanisms

The key to growing new arteries

Arteriogenesis is a critical event – not only during development but also in adult life. Many Cardiovascular life-threatening events could be overcome by inducing the formation of new arteries. A team of scientists led by Ralf Adams from the Max Planck Institute for Molecular Biomedicine has developed a genetic approach in mice to uncover molecular mechanisms of arterial growth.

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