91色情片

91色情片

Discover the latest health news, scientific discoveries and big ideas about the human body and treating diseases, covid-19, diet, fitness, exercise, wellness and how to live a healthy life.

Face of Rhesus Macaque Monkeys; Shutterstock ID 1754084492; purchase_order: -; job: -; client: -; other: -

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Interoception: Monkeys can sense their own heartbeat just like us

The ability to sense the internal state of the body, known as interoception, may be linked to our mental health, and macaques appear to have similar capabilities to us

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Nerve demyelination. Coloured transmission electron micrograph (TEM) of a section through a Schwann cell and a nerve fibre, showing the early collapse of its myelin sheath. Myelin (red) is an insulating fatty layer that surrounds the nerve fibre (axon, orange), increasing the speed at which nerve impulses travel. It is formed when a Schwann cell (green) wraps around the fibre, depositing layers of myelin between each coil. Demyelination occurs in nerve disorders such as multiple sclerosis (MS). Patches (lesions) of myelin sheath are destroyed and nerve function is impaired. Magnification: x3800 when printed 10 centimetres wide.

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MS reversed by transplanted immune cells that fight Epstein-Barr virus

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Rear view of sick girl with stuffed toy sitting on bed. Female child patient is resting in ward at clinic. She is wearing hospital gown.

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Mystery outbreak of hepatitis in children investigated in the UK

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An origami stock image

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Origami-inspired robot can deliver drugs at the site they are needed

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2HKYX4G Woman choosing sunflower oil in the supermarket. Close up of hand holding bottle of oil at store.

Environment

Why is there a sunflower oil shortage and what can I use instead?

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A fluorescence light micrograph of fibroblast cells from human skin

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Anti-ageing technique makes skin cells act 30 years younger

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rPGCLC-derived pups (Generated by injection of rPGCLC-derived spermatids into rat oocytes)

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Rat pups born from sperm artificially produced from stem cells

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A coloured MRI scan of a healthy two-year-old's brain

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Map of how our brain changes with age could help diagnose diseases

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2GN0KYK Lateral flow test strip showing negative Covid 19 test results and a single simulated positive result.

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Your guide to the UK鈥檚 covid-19 testing rules and how LFTs really work

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Female biological laboratory researcher working on biomedical experiments. Scientific genetics medical worker pipetting cell culture.. back view Close-up; Shutterstock ID 2035730375; purchase_order: -; job: -; client: -; other: -

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Robot scientist finds most breast cancer studies aren’t reproducible

A robot scientist repeated experiments from 74 studies on breast cancer cells, and only 22 yielded the expected result, suggesting researchers may need to report their work more carefully

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We shouldn’t dismiss ‘incidental’ covid-19 infections in UK hospitals

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Genes linked to Alzheimer鈥檚 may help calculate your risk of getting it

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High blood pressure may be treated by burning nerves near the kidneys

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Ukraine reclaims Chernobyl nuclear plant as Russian forces withdraw

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