


Cancer: Countering the “bad luck” hypothesis
A new study has just been published in the journal Nature that calls the so-called “bad luck hypothesis”of cancer formation into question, and concludes that cancer risk is heavily influenced by external factors.

Are vegetarian diets really more harmful to the environment?
Carnegie Mellon University had an eye-catching headline on its news feed this morning: Eat More Bacon. It was based on a new study that suggests fruit and veg have a higher environmental impact per calorie than meat. However, the analysis failst to take account of the nutritional needs in a healthy diet.

Are you breathing carbon nanotubes, and should you be worried?
For over two decades, carbon nanotubes have been attracting attention. First, they were seen as a super-strong, super-conductive new form of carbon that could potentially revolutionize everything from space travel to drug delivery. Later, concerns were raised that...
New report on sustainable hydraulic fracking
Back in 2011 – while I was Director of the University of Michigan Risk Science Center – I was part of a larger team exploring the possibility of conducting a full-blown assessment of hydraulic fracturing (fracking) possibilities and pitfalls in Michigan....