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 >

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 >

Exercise is important for all kids, because it boosts their overall health and wards off excess weight. But it holds added benefit for teens: According to a study in The Journal of Pediatrics, it improves their attention, which can help them do better in school. The greatest payoff came from about an hour a day…  read on >

While taking vitamins may be fine for teens and young adults, supplements for weight loss, muscle-building and added energy may trigger severe medical problems, new research suggests. Regulations to keep these potentially harmful products out of the hands of young people are urgently needed, the study authors said. “The [U.S. Food and Drug Administration] has…  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 >

Sudden withdrawal from coffee and cigarettes can trigger symptoms that mimic serious disease, leading to unnecessary tests in hospital intensive care units, a new review concludes. “Nicotine and caffeine are some of the most commonly used and highly addictive substances in modern society, but they are often overlooked as a potential source of significant withdrawal…  read on >

Liquid detergent packets or “pods” continue to poison kids years after their makers volunteered to make them safer. Such poisonings fell just 18% between 2015 and 2017, a new study reports. From 2012 to 2017, poison control centers fielded nearly 73,000 calls about poisoning from these pods. That’s about one call every 42 minutes, and…  read on >

Parents, here’s another reason your teenager should get enough sleep: A new study suggests tired teens may be more likely to have unsafe sex. Researchers analyzed data collected from 1,850 teens in Southern California between 2013 and 2017. The participants were 16 in 2013. Teens who consistently did not get enough sleep at any time…  read on >

From climbing on the playground to playing in a soccer game, children are prone to getting minor cuts and wounds to the mouth. Most of these injuries can be handled with simple first aid, says the University of Rochester Medical Center. Although most are easy to care for, mouth injuries can be avoided. To prevent…  read on >

When adults respond quickly and consistently to bullying behavior, they send a message that it is not acceptable, the U.S. Department of Health and Human Service says. Parents and school staff can help prevent bullying by talking about it, building a safe school environment and creating a community-wide bullying prevention strategy, the agency says. Here…  read on >