Health & Fitness

Just when you think you've got enough to worry about - cost of living included - you might need to consider who you're sharing your next kiss with, because swapping saliva might be cause for a trip to the dentist.

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A group of brain cells discovered by researchers reveals a potential new approach to anti-obesity treatment.

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A new study adds to an emerging, radically new picture of how bacterial cells continually repair faulty sections of their DNA.

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Engineers have designed tissue-derived 'smart' sutures that can not only hold tissue in place, but also detect inflammation and release drugs. The sutures are coated with hydrogels that can be embedded with sensors, drugs, or cells that release therapeutic molecules.

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The deadly hospital pathogen Acinetobacter baumannii can live for a year on a hospital wall without food and water. Then, when it infects a vulnerable patient, it resists antibiotics as well as the body's built-in infection-fighting response. The World Health Organization (WHO) recognizes it as one of the three top pathogens in critical need of new antibiotic therapies. Now, an international team, led by Macquarie University researchers Dr. Ram Maharjan and Associate Professor Amy Cain, have discovered how the superbug can survive harsh environments and then rebound, causing deadly infections. They have found a single protein that acts as a master regulator. When the protein is damaged, the bug loses its superpowers allowing it to be controlled, in a lab setting. The research is published this month in Nucleic Acids Research.

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Fresh insights into the spread of damaging proteins that build up in the brains of people with Alzheimer's disease could hold the key to stopping the condition progressing, a study says.

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As cities are densified at a fast pace, there is now construction very close to roads and thoroughfares. It is already known that noise can have a negative impact on human health, but new research shows that as little as 40 decibels of traffic noise -- the typical level of background noise in an office environment or kitchen -- has a detrimental effect on cognitive performance.

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