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Computer illustration of Bacillus subtilis bacteria. B. subtilis, or the Hay bacillus, is an aerobic, rod-shaped, Gram-positive bacteria.

Health

Probiotics may prevent bacterial infection of the blood in mice

Feeding mice a probiotic of harmless bacteria helps prevent harmful microbes entering the blood where they could build up and potentially cause a condition called sepsis

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2A3D63T A man talking on the phone. The phone is at the man's ear. Rear view

Health

Calls to mental health helplines rose by a third in covid-19 lockdowns

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A psilocybin therapy trial therapy room.

Health

Psilocybin therapy steps closer to credibility with largest trial yet

Analysis

Why Alzheimer’s is not a single disease – and why that matters

Health

Why Alzheimer’s is not a single disease – and why that matters

Features

Alzheimer's disease. Series of coloured computed tomography (CT) scans of an axial section through the head of a 74-year-old patient with Alzheimer's disease. The front of the brain (brown) is at the top. Alzheimer's is a neurodegenerative disease and a common cause of dementia in the elderly. It causes brain atrophy (decrease in size), shown here by the enlarged ventricle cavities (white, at centre of brain) and the widened pale blue regions. The brain shrinkage caused by Alzheimer's disease leads to memory loss, confusion, personality changes and ultimately death. The cause of Alzheimer's disease is not known and there is no cure.

Mind

Treating Alzheimer's as having many causes may help us beat it

Leader

Jar containing Botox powder

Health

Botox relieves endometriosis cramps when injected into pelvic muscles

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Borrelia burgdorferi bacteria

Health

Drug treatment for Lyme disease could lead to its eradication

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Medical pills in white, blue and other colors

Health

Coming off antidepressants risks relapse – but so does staying on them

Analysis

Secrets of a long and healthy life reside in your gut microbiome

Health

Secrets of a long and healthy life reside in your gut microbiome

Features

Everyday aches: Why it’s time to take minor ailments more seriously

Humans

Everyday aches: Why it’s time to take minor ailments more seriously

There’s a lot that can go slightly wrong with the human body and most of the time science can’t explain why. But even our unremarkable illnesses deserve closer inspection

Features

Health

Recommended daily health targets can save us from ourselves

Leader

Humans

5 fruit and veg, 8 hours’ sleep: Should we trust daily health targets?

Features

Health

Men fart more when eating a plant-based diet due to good gut bacteria

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Health

Injected hydrogel could help regenerate damaged cartilage in joints

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