The study, by researchers at Wake Forest Baptist Medical Center, focused on the effects of stress on prostate cancer, and found that stress can both reduce the effectiveness of prostate cancer drugs and accelerate the development of the cancer.

FORBES: New Study Shows How Stress Feeds Cancer Cells

Authors Hamid Mehran, Robert Battalio, and Paul Schultz looked at the effects of the short-selling ban instituted on September 19 in the wake of the Lehman Brothers bankruptcy in a paper titled Market Declines: What Is Accomplished by Banning Short-Selling.

FORBES: In Defense Of Short-Sellers: Bans Cost Investors More Than $1B In 2008

Todd Troost, professor of neurology at Wake Forest, who led the study said Botox could be less expensive and have fewer side effects than many medications used for headache prevention.

BBC: Poison 'prevents headaches'