Tackling U.S. Obesity

An extensive new study shows that online dating is no better than doing it the old fashioned way; Also, an 83-year-old woman in Belgium receives the first lower jaw implant - made by a 3D printer; And, turns out - tattooing your penis isn't a good idea.

People who work 11-plus hours a day are two-and-a-half times more likely to become depressed than those clock out after seven or eight; Also, ultrasounds could be the key to birth control for men; And, a special "What the Health" segment on babies.

Narcissists are at a greater risk for high blood pressure and heart problems; Also, men with higher levels of lead are more likely to be pessimistic; And, women consistently report higher levels of pain than men. CBSNews.com's Nick Dietz has the details.

Men who don't get enough alone time with their male friends are more prone to erectile dysfunction; Also, an edible microchip that makes sure you're taking your meds; Plus, wearing headphones while walking around town may pose a safety risk; And, a nose job can make people appear about one-and-a-half-years younger.

A new report from the CDC estimates that 38 million U.S. adults binge drink four times a month; Also, using nicotine patches or gum will not help you quit smoking for good; And, the occasional marijuana joint may temporarily impair your judgment, but it won't permanently hurt your lungs. CBSNews.com's Nick Dietz has the details.

Viable sperm is grown in a lab, outside a man's body; Also, bacteria is found on six different brands of unused, supposedly clean, paper towels; And, scientists develop an electronic nose to sniff out tuberculosis. CBSNews.com's Nick Dietz has the details.