The waning effectiveness of a flawed whooping cough vaccine is the main culprit in recent outbreaks of the highly contagious bacterial infection, a new study reports. More than four out of five confirmed whooping cough (pertussis) cases strike children who are fully vaccinated, the study authors said. That’s because the vaccine for whooping cough loses…  read on >

Shingles isn’t usually considered a kids’ disease, but children can get this painful condition. Fortunately, the chickenpox vaccine can also protect them against it, a new study finds. “The virus that causes chickenpox also causes shingles. It’s pretty uncommon in kids, but we wanted to see what would happen to the rates of shingles among…  read on >

Vitamin supplements don’t appear to prevent type 2 diabetes in those at highest risk for the disease, a new study finds. Some studies have suggested that low vitamin D levels might increase the odds of developing diabetes and that boosting levels could prevent it, but these findings throw cold water on these assumptions. In this…  read on >

The kind of foods you eat, and even the order in which you eat them can affect your odds of developing type 2 diabetes, three new studies suggest. The studies — being presented to the American Society for Nutrition — found: Switching to a mostly plant-based diet (but one that could still include meat and…  read on >

Though rare, some children are born with an extra finger, a condition known as polydactyly. Now, for the first time, a team of researchers set out to see whether having this extra appendage is somehow beneficial. The answer is yes. The bottom line: Having an additional finger significantly boosts a person’s ability to manipulate objects,…  read on >

Got a stuffy nose? If you vape, that might be why. Research in animals suggests vaping makes it harder to clear your nose of mucus, a new study reports. Experiments in sheep showed electronic cigarette vapor can cause a condition called mucociliary dysfunction, which makes it harder to move mucus or phlegm. Sheep were chosen…  read on >

People who use common heartburn drugs for months to years may face heightened risks of dying from heart disease, kidney failure or stomach cancer, a new study suggests. The study included more than 200,000 U.S. veterans. It’s the latest to raise concerns over drugs called proton pump inhibitors (PPIs). They include prescription and over-the-counter drugs…  read on >

Swimmer’s ear is an infection of the outer ear that is caused by water remaining in the ear canal after swimming or showering. To help prevent swimmer’s ear, the Children’s Hospital of Philadelphia suggests: Teach children to use a towel to dry their ears after water activities. Encourage children to wear ear plugs while swimming.…  read on >

Extremely tiny bits of plastic: They’re in your food and drink, and even in the air around you. Now, new research calculates that the average American consumes more than 70,000 particles of these “microplastics” every year — and even that’s likely an underestimation, the scientists noted. Your microplastic intake might be even higher if you…  read on >

Dentists tend to be overeager when it comes to prescribing antibiotics, new research suggests. The study authors found that antibiotics prescribed to prevent infection during dental procedures weren’t necessary 81% of the time. That’s important because 10% of all antibiotic prescriptions come from dentists, the researchers said. “Preventive antibiotics in these patients gave them risks…  read on >