RadioMD News... I'm John Byrd.

Researchers have discovered a new bacteria that causes Lyme disease, reports the Centers For Disease Control and Prevention. Previously, only one bacteria was believed to cause Lyme disease, which is transmitted by the bite of blacklegged "deer ticks."

Concussions increase the risk of suicides, found a new study. The risk increases for each concussion. Concussions cause lasting changes in the brain that can alter mood, resulting in behavior changes, including impulsivity.

And... have you ever struggled with jet lag after a trip? You're not alone. Changes in the amount of sunlight you receive when you land in a different time zone is the culprit. Experts previously suggested various methods to beat it, but there may be another way. Researchers discovered flashing lights into the faces of people as they slept can trick the brain into thinking they are in another time zone, thus "curing" jet lag. Perhaps going to a nightclub would do the same? Hmmmm...

For RadioMD News, this is John Byrd. Hear health talk interviews with top experts at RadioMD dot com.