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.

A scanning electron micrograph of Enterococcus faecalis bacteria, which can infect surgery site wounds

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Post-surgery infections may mainly be caused by skin bacteria

The skin microbiome may be a bigger cause of post-operative wound infections than bacteria contaminating hospital equipment

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Why nutrition needs to be on the educational agenda

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Treating gum disease may ward off an irregular heartbeat

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Oral vaccine prevents recurring UTIs for nine years

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An advanced prosthetic limb called the i-LIMB Quantum Hand

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Prosthetic hands are easier to control using unrelated muscles

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Long covid linked to signs of ongoing inflammatory responses in blood

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Fatty liver. Coloured computed tomography (CT) scan of an axial section through the abdomen of a 66 year old woman suffering from fatty liver. At lower centre is a bone of the vertebra (white). The liver is the large organ occupying much of the abdomen at upper left to right (purple). Fatty deposits in the liver show up as blue patches. The liver cells become swollen by large fat droplets. This condition occurs in heavy drinkers and alcoholics, where high levels of alcohol in the blood disturbs normal fat metabolism. Fatty deposits in the liver can also be caused by hypoxia, toxins or diabetes mellitus.

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Why you may have a stealth liver disease and what to do about it

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Cannabis use in pregnancy may raise children鈥檚 risk of ADHD and autism

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Could an MRI scan make prostate cancer screening more accurate?

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Should we be worried about a bird flu pandemic in the US?

One person in the US has contracted bird flu after being exposed to dairy cows that have the virus, but experts say there is no immediate threat of a wider outbreak in people

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What is Disease X and do we need to worry about it?

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Bisexual women expect to have an orgasm with women more than with men

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Why it is time for a longevity revolution

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Anxiety really has increased over the past 10 years 鈥� but why?

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