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Sugar improves memory in older adults - and makes them more motivated to perform difficult tasks at full capacity - according to new research. The researchers measured participants' levels of engagement with the task, their memory score, mood, and their own perception of effort.

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Human exposure to the environmental toxin aluminium has been linked, if tentatively, to autism spectrum disorder. The presence of aluminium in inflammatory cells in the meninges, vasculature, grey and white matter is a standout observation and could implicate aluminium in the aetiology of ASD.

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Many first "memories" are fake, a UK study suggests. When researchers asked 6,641 people what their first memory was, 38.6% recalled an event before the age of two, the age memories are thought to first be possible.

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Fitbits could be useful in gauging the performance status of cancer patients and predicting their health outcomes. In a recent study, researchers found that every additional 1,000 steps walked per day were associated with lower odds of adverse events and hazards for death.

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Taking omega-3 fish oil supplements is often touted as a way simple way to protect your heart - but experts say the evidence that it does any good is flimsy at best. They say the chance of getting any meaningful benefit from taking omega-3 is one in 1,000.

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US national parks have just as much air pollution as major cities. Ozone starts to form when nitrogen oxide gases — often emitted by cars — or particulates from coal-fired power plants combine with organic compounds given off by vegetation such as trees

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Posted by
MD-PhD-MBA | Clinical Professor/Medicine
18 hours ago

People who have their evening meal before 9 pm or wait at least two hours before going to sleep have lower risk of breast and prostate cancer, finds new population‐based case‐control study.

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Painkillers crafted with part of the drug Botox provided long-term pain relief in mice. Researchers added the modified Botox to molecules targeting pain-messaging nerve cells. Such painkillers could potentially one day be developed for humans as alternatives to more addictive drugs, such as opioids.

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Posted by
MS | Ecology and Evolution | Ethology
5 hours ago

In plants, it has been clear for a while that maternal signals regulate embryo development. However, the signal itself was unknown - until now. Plant scientists have now found that a plant hormone, called auxin, from the mother is one of the signals that pattern the plant embryo.

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