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Percentage of Americans age 12 or older who have hearing loss — defined as being unable to hear speech at 25 decibels or lower — in at least one ear, according to a recent study by researchers at Johns Hopkins School of Medicine. About 13% of Americans have hearing loss in both ears. Aging and genetics play a role in hearing loss, the study's author said, but environmental exposures like listening to music loudly through headphones can also contribute to hearing damage over time. [via CNN]
The same anesthetic that caused the overdose death of pop star Michael Jackson is now the drug of choice for executions in Missouri, causing a stir among critics who question how the state can guarantee a drug untested for lethal injection won’t cause pain and suffering for the condemned.
A new study finds that babies born by c-section are twice as likely to be obese by age 3 as those delivered vaginally.
Tuberculosis has been brought under control in much of the world, thanks to prevention practices and powerful antibiotics. But in poor nations like Peru, the disease still kills hundreds of babies and children — and new drug-resistant cases threaten an even bigger resurgence.
