Take a breathalyzer test to find out why you’re fat–Take a spit test to find out why you’re violent.

A new study indicates that a simple saliva test could be an effective tool in predicting violent behavior such as bullying, since there’s a link between salivary concentrations of certain hormones and aggression. And new evidence demonstrates a link between video games and youth violence and delinquency.
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The latest thing in technology is wearable computers: wristbands, watches and glasses. Google has invented glasses that incorporate both a computer screen and a camera, so that we can call up information with voice commands and capture an image of something just by looking at it. Start-up companies are in the process of developing pendants, clip-ons, bracelets and patches embedded with sensors that connect to your smartphone.
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In today’s technology-thirsty society, it’s rare to not see someone with their head down texting on their cell phone or reading the latest status updates on Facebook.

However, too much texting and tilting your head down can become a pain in the neck for some people. An excessive amount of leaning your head forward and down, while looking at a phone or other mobile device could result in what some people call "text neck." The term "text neck" was first used by a chiropractor in Florida and is defined as overuse syndrome involving the head, neck and shoulders, usually resulting from excessive strain on the spine from looking in a downward position at hand held devices such as cell phones, mp3 players, e-readers and computer tablets. read more