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
