In Chicago monitoring Twitter for reports of food poisoning led to 133 restaurant inspections for health violations, with 21 establishments shut down. Dina Fine Maron reports  

Patients in low-income zip codes were up to 10 times more likely to lose a leg or foot than diabetic patients in more affluent zip codes. Dina Fine Maron reports

An analysis of 130,000 runners in events during a seven-year span revealed that competitors were 10 times more likely to experience heat stroke than serious cardiac problems. Dina Fine Maron reports

When refilled prescriptions for post–heart attack care resulted in the same medication looking different in shape or color, patients were significantly more likely to stop taking their meds. Dina Fine Maron reports  

Headbanging can cause pain or even whiplash. But a 50-year-old Motörhead fan developed a more serious condition, bleeding in the brain that required surgical repair, after headbanging at a concert. Dina Fine Maron reports  

The ReWalk exoskeleton allows some people paralyzed from the waist down to walk again, with the aid of crutches. Dina Fine Maron reports  

Mice regularly exposed to UV light produced feel-good endorphins and behaved like addicts. If humans do, too, it could explain why we seek sun, despite damage. Dina Fine Maron reports  

A helmet placed on the head of a stroke victim sends low-intensity microwaves through the brain to quickly determine whether a blockage or hemorrhage is taking place, making faster treatment possible. Wayt Gibbs reports  

Researchers who compared peer-reviewed articles to the Wikipedia pages for the 10 most costly medical conditions in the U.S. discovered incorrect information on nine out of 10 pages. Dina Fine Maron reports  

Compared with 50 years ago, today's heroin user is whiter, more suburban and had prescription opioids for a gateway. Dina Fine Maron reports  

Low-power laser light shined on damaged rat teeth activates growth factors that cue stem cells to generate the tooth constituent dentin, leading to regeneration.  Dina Fine Maron reports  

Children of smokers who popped vitamin C during pregnancy had better lung function than kids of other women who also smoked during pregnancy. Dina Fine Maron reports  

Just a few nail drying sessions under the highest output UV bulbs used in some salons could age the skin and bump up the risk of skin cancer. Dina Fine Maron reports  

Sneeze and cough particles form a cloud whose turbulence pulls in surrounding air, which allows the goop to maintain buoyancy and move farther than expected. Cynthia Graber reports

Exposure to bright light in the morning appears linked to reduced appetite and lower body weight, regardless of sleep patterns. Sophie Bushwick reports  

Residues of the antimicrobial agent triclosan can paradoxically boost bacterial growth in our bodies, by giving microbes a comfortable biofilm in which to rest. Christopher Intagliata reports  

The number of Americans aged 60 or more who issued advance directives governing their end-of-life care went from 47 percent in 2000 to 72 percent in 2010. Dina Fine Maron reports  

Bones are filled with a viscous fluid that’s key to their function as support structures, and which could inform osteoporosis research. Dina Fine Maron reports  

Stan Conte, vice president of medical services for the L.A. Dodgers, advised parents and coaches of young athletes to not consider Tommy John surgery on healthy arms for the sake of improving performance. He spoke at the SABR conference in Phoenix on March 13. Steve Mirsky reports  

After flu shot regulations upped Connecticut kids' vaccination rate, their hospitalization risk went down. Dina Fine Maron reports  

The mere presence of a TV in a child's bedroom is linked with weight gain—regardless of how many hours per week a youngster watches it. Dina Fine Maron reports

Volunteers who handled receipts containing the hormone-altering compound bisphenol A for two hours showed elevated BPA levels in their urine. Dina Fine Maron reports

A meta-analysis finds that concussions accounted for between 6 and 9 percent of all injuries sustained on soccer fields. Dina Fine Maron reports  

The CDC reports that locally acquired Dengue killed a Texas woman in 2012 who had been misdiagnosed with West Nile virus. Dina Fine Maron reports