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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.

Coloured diffusion tensor imaging (DTI) magnetic resonance imaging (MRI) scan showing white matter fibres in the brain of a patient with Alzheimer's disease. Alzheimer's is a neurodegenerative disease where atrophy (shrinking) of the brain leads to memory loss, confusion, personality changes and ultimately death. Diffusion tensor imaging measures the direction of water diffusion, which in the brain reveals the orientation of nerve fibres. Red fibres have a left to right orientation, green a front to back orientation and blue an up and down orientation.

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Next-generation Alzheimer’s drug reduces risk of serious brain bleeds

A new kind of antibody drug that more efficiently enters the brain could slow the progression of Alzheimer's disease with a much lower risk of dangerous side effects than existing therapies

Mandatory Credit: Photo by Jasper Jacobs/Belga/Shutterstock (16985880bv) Norwegian Soren Waerenskjold of Uno-X Mobility sprints to the finish of the stage 7 of the 2026 Tour de France cycling race, a stage of 175km from Hagetmau to Bordeaux, on Friday 10 July 2026. The 113th edition of the Tour de France starts on Saturday 4 July in Barcelona, Spain, and will finish in Paris, France on the 26th of July. Cycling Tour De France 2026 Stage 7, Hagetmau, France - 10 Jul 2026

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How elite athletes have started training to compete in extreme heat

A scanning electron micrograph of immune cells called microglial cells (round) ingesting specialised cells called oligodendrocytes (branched) that maintain the myelin sheath around nerves, which is thought to occur in multiple sclerosis

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Best treatment for multiple sclerosis may be antivirals

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Nicotine pouches may cause receding gums

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Alzheimer鈥檚, stroke, depression: The preventative power of sauna

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Game that reduces dementia risk may clear amyloid from men’s brains

Magnetic resonance imaging (MRI) scan of a vertical section through the head of a child with a glioma brain cancer (dark red, centre)

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Four children with terminal brain cancer saved by new cell therapy

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Resuscitated human retinas respond to light 10 hours after death

Fluorescence in situ hybridisation (FISH) micrograph of Down's syndrome chromosomes (red) in a foetus' cell nuclei (blue). The FISH technique enables individual chromosomes within the nuclei to be tagged with a fluorescent dye. Here, three copies of chromosome 21 are seen in each nucleus, the cause of Down's syndrome. In a healthy human, each nucleus contains only two copies of chromosome 21. Chromosomes are the parts of a nucleus responsible for carrying the genetic code. Down's syndrome is a genetic disease which causes mental retardation and typically flattened features. It affects around 1 in every 650 babies.

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Injection halves risk of chromosome error common in older human eggs

Light micrograph of a section through follicles in an ovary. The immature eggs (orange) are surrounded by a fluid-filled cavities (light pink) and granulosa cells (dark pink), which provide immature eggs with nutrients and hormones

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Our fertility window could be extended by making ovaries softer

A drug that softens the ovaries helped mice and rats conceive more easily at an older age, and produce more pups

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Lambs born via IVF using highly immature eggs in major breakthrough

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Ovary identity shift after menopause may contribute to inflammation

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5 things to know about sunscreen, according to a skin cancer expert

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Beetroot juice is trending 鈥� its benefits go beyond the hype