GPs write millions of prescriptions for this painkiller each year and millions more packets are bought over the counter. It has generally been considered cheap, safe and effective. But should we think harder before we pop another pill?

Allergies are on the increase, but new research into peanut sensitivity in children gives hope to those who react to other foods

The market for pills and yoghurts containing 'friendly' bacteria is worth $28bn, but do claims for them stack up? Can they really alter our gut flora? And are we healthier if they do? You may find the answers surprising.The chances are, you think you...