These pigs in Iowa, newly weaned from their mothers, get antibiotics in their water to ward off bacterial infection.
Credit Dan Charles / NPR
Here at The Salt, we've been following the controversies that surround antibiotic use on the farm. Farmers give these drugs to chickens, swine and beef cattle, either to keep the animals healthy or to make them grow faster. Critics say it's contributing to an epidemic of drug-resistant bacteria not just on the farm, but among people, too.
CDC Researcher Marc Dolan inserts a hand treated with nootkatone into a cage of hungry mosquitoes. The all-natural chemical is a powerful repellant and has the essence of grapefruit.
Credit Centers for Disease Control and Prevention
Since West Nile Virus was first identified more than a decade ago, applying bug spray became a must for summer outings. But sprays containing DEET can be a turn off. They can be smelly and feel greasy.
Clouds of nicotine-laced vapor are getting more popular with teens.
Credit Mauro Grigollo / iStockphoto.com
The percentage of middle and high school students who have tried electronic cigarettes more than doubled in a year, federal health officials reported Thursday.
The percentage of students in grades 6 through 12 who had ever used e-cigarettes increased from 3.3 percent in 2011 to 6.8 percent in 2012, the Centers for Disease Control and Prevention reported in Morbidity and Mortality Weekly Report. Those who reported currently using the devices increased from 1.1 percent to 2.1 percent.
Latinos and African-Americans are more active on social media. Could that help promote HIV testing among minorities?
Credit Brendan Smialowski / Getty Images
It didn't take long for people to figure out that Facebook could be a great place to connect with other people dealing with the same health problems. But public health officials have moved cautiously, lest their efforts backfire. Do you really want to "like" STDs?
But there is now evidence the social media approach can help, even when the health condition is sensitive. Facebook can play a role in persuading people at high risk of HIV/AIDS to use a home HIV test kit, a study finds.