Supplementary to requirement . . . and other storiesBMJ 2018; 362 doi: https://doi.org/10.1136/bmj.k3285 (Published 15 August 2018) Cite this as: BMJ 2018;362:k3285
Many people buy and take vitamin and mineral supplements even though they have neither signs nor symptoms of vitamin deficiency. They probably aren’t doing themselves much harm, but a systematic review of cohort studies and randomised trials with more than 18 million person-years of observation finds not the slightest hint of benefit—at least as far as cardiovascular diseases are concerned (Circ Cardiovasc Qual Outcomes doi:10.1161/CIRCOUTCOMES.117.004224). Minerva reckons doctors should encourage their patients to find more interesting ways to spend their money.
Blood pressure in very old people
Nearly half of the …