Grandparents can be a bad influence on kids’ weight, researchers say. That’s the upshot of an analysis of 23 studies conducted in the United States and eight other countries by a team from the Brown School at Washington University in St. Louis. The study found that kids who were cared for by grandparents had nearly…  read on >

Could hot chocolate deliver relief to those suffering from the painful condition known as peripheral artery disease (PAD)? A small, new study says it’s entirely possible. Though you may be picturing a steaming cup of hot milk chocolate with tiny marshmallows bobbing on the top, the concoction the study volunteers drank was made from dark…  read on >

A clinical trial of the weight-loss drug Belviq (lorcaserin) shows an association with an increased risk of cancer, and the U.S. Food and Drug Administration is requesting that its maker withdraw the drug from the U.S. market. Eisai Inc. has already “submitted a request to voluntarily withdraw the drug,” Dr. Janet Woodcock, who directs the…  read on >

In the midst of a U.S. epidemic of opioid abuse, knowing how to quickly administer the anti-overdose drug naloxone could save a life. Now, research finds that delivering naloxone via nasal spray could be the quickest and easiest of three methods of administration. “Our goal was to see if there was a method that was…  read on >

For better or worse, your social media friends might be influencing your eating habits, British researchers report. They asked nearly 400 college students to estimate how much fruit, veggies, snacks and sugary drinks their Facebook friends ate each day. Those participants who believed their social media buddies ate the recommended five daily portions of fruits…  read on >

Viagra can salvage a man’s sex life, but in rare cases it may temporarily steal his sight. Researchers report that some men who took sildenafil — the generic form of the impotence drug — suffered from vision problems, including a kind of color blindness that could take weeks to resolve. The case report details 17…  read on >

Nearly half of antibiotic prescriptions for Medicaid patients appear to be inappropriate, new research suggests. That kind of overprescribing raises risks for everyone, experts say, as bacteria gain more chances to mutate around the life-saving drugs. For the study, researchers analyzed 298 million antibiotic prescriptions filled by 53 million Medicaid patients between 2004 and 2013.…  read on >

Gastrointestinal bleeding in patients taking blood thinners for an irregular heartbeat should prompt doctors to check for colon cancer, a new study advises. Researchers looked at more than 125,000 patients in Denmark with the heart rhythm disorder atrial fibrillation (a-fib). They reported that those with gastrointestinal bleeding were 11 to 24 times more likely than…  read on >

American dentists often prescribe more than the recommended supply of opioid painkillers to patients, a new study finds. Not only that, they are more likely to prescribe more powerful opioids, the researchers found. In this study, the researchers analyzed data on nearly 550,000 dental visits by adult patients between 2011 and 2015, before U.S. Centers…  read on >

It’s no yolk: Americans for decades have gotten dietary whiplash from the back-and-forth science on whether eggs are good for them. But a major new study will have many egg-lovers relieved: You can enjoy an egg a day without having to worry about your heart. “Moderate egg intake, which is about one egg per day…  read on >