NPR – Scientists Discover A Second Bacterium That Causes Lyme Disease
Until very recently it was thought that just one bacterium was to blame for causing Lyme disease in humans. But it turns out that a second, related bug can cause it too.
In 2013, during routine testing of bacterial DNA floating around in the blood samples of people suspected of having Lyme disease, researchers at the Mayo Clinic in Rochester, Minn., realized they were looking at something different.

HealthDay via CBS News – Concussion linked to higher risk of suicide years later
Average people who suffer a concussion may be three times more likely to commit suicide years after their brain injury, a new Canadian study suggests.
Further, the long-term risk of suicide appears to increase even more if the head injury occurs during a weekend, researchers found.

Reuters – Hawaii’s Big Island declares emergency over dengue fever infections
The mayor of Hawaii’s Big Island declared a state of emergency on Monday to deal with a growing outbreak of dengue fever, spread by infected mosquitoes, with 250 cases confirmed over the past four months.
As a result of Hawaii County Mayor Billy Kenoi’s order people on the Big Island will be allowed to resume disposing of old tires in landfills, since tires which are left lying around are a known breeding spot for mosquitoes.

The Wall Street Journal – Stress Raises Cholesterol More Than You Think
Christopher Edginton was taking medication and trying to improve his diet when his cholesterol shot up anyway four years ago.
His doctor suggested a new approach. “He said you’ve got to get rid of some things you’re doing, some of the stresses in your life,” recalls Mr. Edginton, a professor at the University of Northern Iowa who regularly traveled internationally and had so many job titles that he had a four-sided folding business card.