Gerd Gigerenzer was a keynote speaker at this year's "Global Risk Management Professional Development Forum" taking place from 21 to 23 March in Liverpool. Organised by the Institute for Risk Management (IRM), the forum brought together participants from different fields to advance their risk management skills with the help of expert speakers and workshop sessions.

Many scientific publications use misleading numbers to communicate risk. This article examines publications in medical journals and demonstrates how missing transparency constrains the accurate understanding of risks.

Efficient health care requires informed doctors and patients. Gerd Gigerenzer and Sir J. A. Muir Gray identify seven "sins" that have contributed to a lack of respective knowledge and explain why governments and health institutes need to change course.

Can the general public learn to evaluate risks accurately, or do authorities need to steer it towards correct decisions? In the current issue of Nature, Michael Bond talks to the two opposing camps.

Richard Ablin, the discoverer of PSA in 1970, argues against routine screening as "a profit-driven public health disaster", which in fact is hardly more effective than a coin toss.