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drugs and alcohol

The reward pathway in the brain, which is initiated in response to a stimulus, such as alcohol. The stimulus (upper orange arrow) triggers the release of dopamine (blue arrows) by the ventral tegmental area (dark blue sphere). The dopamine travels to a number of different areas of the brain that then release dopamine (red arrows). These areas include the nucleus accumbens (red sphere), which initiates motor outputs (lower orange arrow) to sustain the pleasurable stimulus, the prefrontal cortex (pink), which shifts focus and planning towards the stimulus, and the amygdala, which is involved in emotions. The hypothalamus (orange sphere) is involved in coordinating the response by secreting hormones that control bodily functions

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Gene therapy delivered into the brain could treat alcohol misuse

Rhesus monkeys that drank the equivalent of several units of alcohol a day when it was offered to them reduced their consumption by more than 90 per cent after gene therapy

News

Umbilical cord blood could be used to predict childhood obesity

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Umbilical cord blood could be used to predict childhood obesity

News

West Coast of Vancouver Island near a proposed site for carbon storage

Environment

Could pumping CO2 under Canada's coast cause earthquakes?

News

Someone having their blood tested for HIV in Kampala, Uganda, in December 2022

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Gene variant that seems to protect against HIV may lead to new drugs

News

Is geological hydrogen a green solution to our energy needs?

Environment

Is geological hydrogen a green solution to our energy needs?

Analysis

Cannabis is increasingly being legalised

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Cannabis poisoning cases quadruple in children after legalisation

News

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Aspirin raises the risk of brain bleeds and may not prevent strokes

News

The biggest scientific challenges that AI is already helping to crack

Technology

The biggest scientific challenges that AI is already helping to crack

Features

Life

Alcoholic fruit may help plants recruit mammals to spread their seeds

News

Placenta: The overlooked organ with a lifelong impact on your health

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Placenta: The overlooked organ with a lifelong impact on your health

The placenta is an incredible organ that we grow for a short period of time, yet it has a surprising long-term influence on our health. Researchers are now developing tools to spot placenta problems and improve the lives of future babies

Features

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Is Alzheimer’s drug donanemab really a 'turning point' for treatment?

News

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Giving birth at an older age is linked to a longer life in women

News

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People think drugs like Wegovy are a quick fix. So what if they are?

Leader

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Beyond Wegovy: Could the next wave of weight-loss drugs end obesity?

Features

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