Ian Sample talks to Dr Amy Orben, who leads the digital mental health programme at the Medical Research Council’s cognition and brain sciences unit, about why the link between teen mental health and social media is so difficult to study, what the current evidence tells us and what advice she gives to parents whose children are entering the online world for the first time. Help support our independent journalism at theguardian.com/sciencepod

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Folge vom 12.09.2023Teen mental health and social media: what does the evidence tell us?
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Folge vom 07.09.2023First African climate summit: can development and climate action coexist?Madeleine Finlay hears from the Guardian’s east Africa global development correspondent, Caroline Kimeu, about the challenges and tensions at play at the inaugural climate summit. Help support our independent journalism at theguardian.com/sciencepod
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Folge vom 05.09.2023Everything you need to know about the new Covid variantThe UK Health Security Agency has announced plans to bring forward its autumn Covid-19 vaccination programme, and scale up testing and surveillance, after the emergence of the BA.2.86 variant. Madeleine Finlay and Ian Sample discuss where current infection rates stand, the characteristics of the new variant, and how prepared the UK is for a new wave. Help support our independent journalism at theguardian.com/sciencepod
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Folge vom 31.08.2023Why are scientists so excited about the vagus nerve? – podcastServing as a two-way ‘electrical superhighway’, the vagus nerve – which is actually a pair of nerves – allows for communication between the brain and the heart, lungs and abdominal organs. And because of this, it has been shown to help control things such as the heart rate, breathing, digestion and even immune responses. Now, scientists and health influencers are asking whether stimulating the vagus nerve could transform physical and mental health. Science correspondent Linda Geddes tells Ian Sample about her recent investigation into the hype and science surrounding the vagus nerve, and also whether her own experiment with an allegedly nerve-stimulating device is having any effect. Help support our independent journalism at theguardian.com/sciencepod