Cholesterol supplement linked to rare but reversible eye damage, warns optician

Taking excessive amounts of vitamin B supplements carries unexpected risks for vision

Labour sets 75% cancer survival target under £2billion NHS overhaul

The shift is expected to save 320,000 lives over the next decade

Does noise help you fall asleep? Scientists warn some sounds could be 'harmful' to drift off to

Playing pink noise to promote relaxation could reduce total sleep time by almost 20 minutes

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