New pig-to-human heart transplant surgeries show signs of success

Researchers have announced success from a pair of experimental pig-to-human heart transplant procedures completed on recently deceased human subjects who were kept on mechanical ventilation for three days while the organs were monitored in their bodies.

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ADHD drugs could help treat symptoms of Alzheimer’s

A new review has found repurposing some drugs currently used for ADHD and depression could offer improvements to cognitive symptoms associated with Alzheimer’s disease. The review focused on drugs developed to stimulate the brain’s noradrenaline system.

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New CRISPR tool corrects mutations by copying genes between chromosomes

Scientists have demonstrated an intriguing new variation on the CRISPR gene-editing system, which involves fixing a mutation on one chromosome by copying a healthy version from the other. “Nicking” the DNA also seemed to work better than cutting it.

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Cancer drug pulls surprising double duty to treat muscular dystrophy

In a new study, researchers have accidentally discovered that an existing cancer drug shows promise in slowing the progress of Duchenne Muscular Dystrophy, by changing the type of muscle fibers to be more resilient.

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Sight of mouthwatering meals triggers inflammation linked to diabetes

The sight of a mouthwatering dish can certainly be enough to send our senses into overdrive, and a new study has demonstrated how the mechanisms behind this may play an important role in type 2 diabetes.

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Baldness discovery paints molecule as potent stimulator of new hair growth

Scientists probing the intricate machinery behind hair growth have uncovered a previously unknown role for a signaling molecule, whose messages were found to be critical to new growth and could be leveraged to address hair loss in humans.

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Common bone density scan can predict later-life dementia risk

Researchers can now assess a person’s risk of developing late-life dementia using data from a common type of bone density scan. The study revealed calcification within the abdominal aorta can double one’s risk of developing dementia over the age of 80.

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Cold temperatures induce anti-inflammatory molecule that counters obesity

Researchers continue to unravel the complex role inflammation plays in obesity, now demonstrating how cold temperatures can stimulate the release of a molecule that reverses this type of inflammation and reduces body weight in mice.

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New gene editing tool reduces errors by nicking DNA not cutting

As important as CRISPR-Cas9 gene-editing is, it has a relatively high error rate, which can introduce potentially harmful mutations. German researchers have now developed a more refined tool that reduces errors by nicking DNA instead of cutting it.

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