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Men’s brains shrink faster with age than women’s, study finds

The study aimed to find out whether sex differences in healthy brain ageing explain why women are diagnosed with Alzheimer’s more often.

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Obesity-related cancer rising globally, study warns

Thyroid, breast, colorectal, kidney, and endometrial cancer diagnoses are surging worldwide, with colorectal cancer increasing fastest in people under 50.

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Tiny eye implant restores sight for people with incurable blind spots

The company said the implant could be available in the European Union as soon as next year.

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England and Wales to get first long-lasting jab to prevent HIV

The drug, known as cabotegravir, must be administered every two months.

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Healthcare

New gene therapy successfully treats children with rare fatal disorder

'These results are what we hoped for when we first began developing this approach,' one researcher said.

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Your DNA may hold the key to your relationship with cannabis

Specific genes appear to influence whether people try cannabis and their susceptibility to cannabis addiction.

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Alcohol is fuelling thousands of cancer cases in Europe, WHO warns

Alcohol consumption is a major cause of cancer in Europe, the WHO's cancer research agency warned in a new report.

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One in six bacterial infections now resistant to antibiotics, WHO says

Many antibiotics have lost effectiveness against common bacterial infections since 2018, the report warned.

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71-year-old survives months with genetically engineered pig liver

The liver performed key bodily functions, proving that pig organs can temporarily support human life, though serious complications eventually arose.

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Scientists uncover biological cause of Long COVID brain fog

New research offers what scientists describe as the first biological evidence of Long COVID brain fog.

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More than 100 million people now vaping, WHO says in new report

While global smoking rates have fallen sharply, a new WHO report warning that vaping is fuelling a “new wave of nicotine addiction”.

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Creative pursuits can help slow brain ageing, new research reveals

Using machine-learning “brain clocks", researchers showed that creative engagement can preserve functional connectivity in brain regions most vulnerable to decline.

Healthcare

Wearable blood sugar monitors are huge. But who do they really help?

The devices have surged in popularity among people without diabetes, but a study suggests reality may not match the hype.

Healthcare

Doctors still outperform AI in medical emergencies, study finds

A small study indicates AI is not yet ready to help make decisions in the emergency room.

Health news

Scientists turned human skin cells into eggs. It didn’t go smoothly

The eggs created in the experiment are not ready to be used to help people conceive.

Healthcare

Cannabis extract can help reduce chronic back pain, trial finds

Patients reported a significant reduction in pain scores in the months after starting the cannabis extract, which is not the same as smoking cannabis.

Healthcare

Doctors say gene therapy slows Huntington’s disease for first time

It is the first time a drug trial has slowed the rare disorder’s progression in an ongoing, significant way, researchers said.

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Psychedelics could help with mental health, but not yet, say doctors

Clinical trials are underway across Europe testing whether psychedelic-assisted therapies can help address mental health disorders. But doctors urge a ‘sober science’ approach.

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New AI tool can predict risk of more than 1,000 medical conditions

The model can accurately predict conditions such as diabetes and cancer, and is less reliable for issues such as infectious diseases and mental health disorders.

Health news

Why does obesity affect people differently?

A large-scale study compared body fat levels with markers of metabolic health, such as blood pressure, cholesterol and blood sugar.