Since the 1980s, “Early detection is your best protection” has been a mantra of the cancer-awareness community, spurring an insistence on frequent screenings to catch ever-smaller abnormalities. But this approach to cancer screening loses sight of the real goal — saving lives. And it turns out that finding more and more smaller and smaller abnormalities churns out more cancer patients, but this doesn’t necessarily translate into lives saved.
Read the rest of my opinion piece at Popular Science.
Run Yourself Smarter: How exercise boosts your brain
New Scientist, November 15, 2013
pdf here: Healthy Body, Healthy Mind
The latest science on exercise and the brain suggests that exercise isn’t an enhancer of normal cognition, it’s a necessary condition. Physical activity has been show to improve brain health across every stage of life.
It May Be Fake, but Trust Me—It’ll Work
Slate, March 16, 2011
When is it kosher for doctors to prescribe placebos? It’s a question I explore in this Slate piece.
The change in mammogram guidelines After a federal panel pulled back its recommendations for screenings, a debate continues to rage about the wisdom or risk of it.
The Los Angeles Times, March 7, 2011
Here, I write about the US Preventative Services Task Force breast cancer screening guidelines and explain why the Task Force recommended against routine mammography for women in their 40′s.
Are you too old—or too young—to run your best marathon? To find out, we asked top scientists, coaches, and elite athletes about the impact of aging on endurance. Their answers might pleasantly surprise you.
Runner’s World, February 2009
Drug scandals in sport would be nothing compared to the potential for genetic engineering to create “super-athletes”. Christie Aschwanden investigates
New Scientist, January 15, 2000.
This appears to be the first media report about gene doping — genetic engineering to enhance athletic performance.
New Scientist, February 3, 2000 Road networks play havoc with nature. But a new kind of route map will make it easier to treat the land more gently, says Christie Aschwanden