Tag Archives: BMJ

Vitamins in pregnancy

We’ve all seen the adverts, usually accompanied by a photograph of a glowing pregnant woman or an adorable baby, selling vitamins and minerals ‘specially designed’ for pregnancy. They’re often expensive, but for many woman, the reassurance of taking a supplement that seems to promise a healthy pregnancy and a bouncing baby is well worth the […]


When prevention is not better than cure

Prevention is always better than cure. It sounds like a no-brainer, until you realise disease prevention can contradict that other medical dictum: first do no harm. Two studies this week demonstrate this principle. Firstly, results of a long-term trial of prostate cancer screening by PSA (prostate specific antigen) blood test. I summarised the study for […]

The case of the missing evidence

Elementary, my dear Watson. It didn’t need the return of Sherlock Holmes to work out that you can’t take a fully-informed decision without knowing all the evidence. I wrote a year ago about the scandalous situation that exists in the field of medicines research, where pharmaceutical companies can quietly hide away inconvenient data from clinical […]

Exercise and depression: unpicking the evidence

The belief that exercise is a simple, non-pharmacological treatment for depression is so attractive, that it’s been received pretty much uncritically. When a study last year seemed to question the use of exercise as an ‘add-on’ treatment for depression, there was a mini-outcry, with many people (including people who’ve had depression) loudly proclaiming how much […]

Register all clinical trials, report all results

A campaign launched this week that is important for everyone. The All Trials campaign, run by the organisation Sense About Science with support from the BMJ and other luminaries, demands that all medical trials should be registered, and that all trials should report their results. It may not sound that exciting – indeed, you might be […]