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psychoactive drugs

Alzheimer's may be caused by the accumulation of protein plaques and tangles in the brain

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Alzheimer's drug lecanemab slows cognitive decline but concerns linger

The drug lecanemab slowed the rate of cognitive decline among people with early Alzheimer's disease by 27 per cent, compared with placebo infusions, but some question if its potential safety concerns outweigh any benefits

News

A small pile of cocaine

Chemistry

Genetically modified tobacco plant produces cocaine in its leaves

News

Four cows looking strange

Environment

Feeding cows hemp makes them ‘high’ and their milk could be unsafe

News

Our balance naturally declines with age, making serious falls more likely to occur

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A daily dose of aspirin raises the risk of falls among older people

News

US pardons people convicted for marijuana possession under federal law

Society

US pardons people convicted for marijuana possession under federal law

News

2GJM5J2 Alzheimers and dementia research

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Alzheimer’s drug results are promising – but not a major breakthrough

Analysis

Small experimental mouse is on the researcher's hand; Shutterstock ID 605226563; purchase_order: -; job: -; client: -; other: -

Life

The sex of the researcher can influence results of mouse experiments

News

Packets of drugs in woman's hands

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Drugs that mutate viruses to kill them could make them more dangerous

News

Magic Mushroom Spores

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Psilocybin therapy seems to help some people give up drinking alcohol

News

A 3D magnetic resonance imaging (MRI) scan of the brain of a 65-year-old after a stroke. The orange coloring represents an area of dead tissue

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Stroke drug improves memory and repairs injured brain tissue in mice

Unlike existing treatments that focus on rehabilitation or reducing the risk of an additional stroke, the experimental drug targets the "stickiness" that can prevent injured brain tissue from functioning as it should

News

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Parts of the brain form a circuit that may fuel smoking addiction

News

Mind

Can you take the trip out of psychedelics and still treat depression?

Features

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Legalised cannabis in Canada and US hasn’t killed illegal market

News

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A new weight loss drug could be used to prevent obesity. Will it work?

Features

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