Health & Fitness

Researchers have discovered 15 'hotspots' in the genome that either speed up brain aging or slow it down -- a finding that could provide new drug targets to resist Alzheimer's disease and other degenerative brain disorders, as well as developmental delays.

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Certain small RNAs called tDRs can be found inside and outside cells during stress responses to different diseases. Researchers have created an atlas of the stress signatures for tDRs that might be used as markers of disease and identify new disease-causing pathways.

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They are part of the brain of almost every animal species, yet they remain usually invisible even under the electron microscope.

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Scientists have developed a treatment for pulmonary fibrosis by using nanoparticles coated in mannose -- a type of sugar -- to stop a population of lung cells called macrophages that contribute to lung tissue scarring. The cell-targeting method holds promise for preventing this severe lung scarring disease, which can result in life-threatening complications like shortness of breath.

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Faces and voices are more likely to be judged as male when they are angry, and as female when they are happy, new research has revealed. The study found that how we understand the emotional expression of a face or voice is heavily influenced by perceived sex, and vice versa. He said: "This study shows how important it is not to rely too much on your first impressions, as they can easily be wrong. "Next time you find yourself attributing happiness or sadness to a woman be aware of your bias and possible misinterpretation."

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Physically fit primary school pupils feel better and can concentrate better. They are more likely to make it to higher-level secondary grammar schools than children with less sporting ability.

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