Positive findings are around twice as likely to be published as negative findings. This is a cancer at the core of evidence-based medicine.

You are a placebo responder. Your body plays tricks on your mind. You cannot be trusted.

The placebo effect is one of the most fascinating things in the whole of medicine. It's not just about taking a pill, and your performance and your pain getting better. It's about our beliefs and expectations. It's about the cultural meaning of a treatment.

I spend a lot of time talking to people who disagree with me - I would go so far as to say that it's my favourite leisure activity.

Positive findings are around twice as likely to be published as negative findings. This is a cancer at the core of evidence-based medicine.

Real science is all about critically appraising the evidence for somebody else's position.

I hope that you will be asked to participate in a trial at some stage in your disease