"They can cause poor concentration, anxiety and sleeplessness"

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Some campaigners are calling for a ban on sales of energy drinks to under-18s, as Public Health leaders continue to monitor energy drink consumption among young people, describing high‑caffeine products as an "emerging substance of concern" in its latest strategy. Our reporter Euan Duncan also spoke to teenagers between the ages of 14 and 15 in Guernsey, who say peer pressure, marketing and easy access are all encouraging young people to try energy drinks. Image credit: Getty