injections could impair the ability to recognise others’ feelings, research suggests.In a study that involved looking at happy and sad faces, the participants who’d had the anti-ageing injections had altered brain activity in areas related to emotion.Roughly 900,000 Britons have Botox injections each year, where a compound called botulinum toxin is injected into areas of the face, such as the forehead and around the eyes and mouth. This procedure relaxes the muscles under the skin by blocking the nerve signals that cause them to contract, smoothing out wrinkles.
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