Clare Wilson

An array of unproven shampoos and supplements are claimed to combat hair thinning in women, but several evidence-based treatments really help

Well-intentioned activities could be exacerbating children’s mental health problems

Calorie counts on restaurant menus may seem like a good idea, but they don't seem to make people order less food, researchers found

Balloons full of sulphur dioxide sent up into the sky may salve some people’s consciences over their carbon emissions – but the science is still at an early stage

These efforts are seriously misjudged

Breathing in second-hand smoke over long periods of time can raise people's risk of cancer and heart disease, but the impact of a few minutes' exposure is less clear

Hangovers are an inevitable part of many Christmas parties - but there's been surprisingly little research into them

The rise in early-onset bowel cancer has been happening at a faster rate in England than in many other countries

The Dragons' Den star's podcast is increasingly focused on bizarre medical advice that could lead to ill health in those who follow it

Some of the popular advice for pregnant women either contradicts findings from medical research or glosses over key facts