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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.

91色情片

Wildfire smoke is reversing decades of progress on clean air

A spike in wildfires across the globe is stalling and even reversing improvements on air pollution, raising the risk of lung, heart and neurological problems

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Are you truly healthy? These new tests provide the ultimate check-up

Scientists studied bull sperm, which have similar structures and swimming patterns to human sperm

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Sperm sense what they are swimming through and adapt their behaviour

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Why is there a shortage of ADHD drugs and what can people do?

Louis XIV made a surprising type of surgery popular

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A curious history of famous body parts

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Face masks ward off covid-19, so why are we still arguing about it?

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You probably don’t need 8 hours of sleep for a healthy brain

Psychologist touching hand of a young man

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We may now know how ketamine can treat depression for so long

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Home stool test detects bowel cancer with over 90 per cent accuracy

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Our cells may boost their health by eating bacteria-killing viruses

Viruses that infect bacteria 鈥� called phages 鈥� are abundant in our bodies, and they seem to have beneficial effects when our cells engulf them

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Migraines linked to rare genetic variants that could boost treatments

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ADHD could be spotted by a score showing if you’re easily distracted

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Smart glasses that play sounds help people who are blind find objects

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Marijuana as medicine: Everything you need to know