Narcissists don't learn from their mistakes because they don't acknowledge them, a new study shows.

When faced with a poor outcome due to their decisions, most people ask, "What should I have done differently to avoid this outcome?" But a narcissist says, "No one could have seen this coming," according to Oregon State University (OSU)-... Full Page

Young people who use electronic cigarettes face an increased risk of COVID-19 infection, according to a new study.

Teens and young adults who vaped were five times more likely to be diagnosed with COVID-19. And young folks who vape and also smoke regular cigarettes have a sevenfold higher risk of getting COVID-19, researchers found. <... Full Page

As debate intensifies over reopening schools during the coronavirus pandemic, Stanford University experts offer some tips to make the return to classrooms safer.

The American Academy of Pediatrics has highlighted the importance of kids returning to the classrooms.

"Prolonged school closures can exacerbate socioeconomic disparit... Full Page

After a concussion, it may not be safe to drive for a while, a new, small study suggests.

"People who have concussions often have slower reaction times as a result, and do more poorly on tests of thinking skills after their injury than their peers without concussions," said researcher Julianne Schmidt, from the University of Georgia.<... Full Page

A growing number of older people are turning to the vitamin biotin to fortify their aging skin, hair and nails.

But a new study shows how large doses of it can interfere with some vital medical tests.

Biotin, or vitamin B7, is an essential nutrient. And there is no issue with the lower doses found in multivitamins, said study... Full Page

Global warming may ultimately rain on everyone's parade, but new research suggests that major thunderstorms are already wreaking some havoc on the respiratory health of seniors.

That's because atmospheric changes that precede storms increase the risk that older people with asthma or chronic obstructive pulmonary disease (COPD) could de... Full Page

Research has shown that pot use during pregnancy may increase the risk of stillborn birth, preterm birth and low birth weight.

Now, a new study adds another danger: children whose mothers used pot while pregnant could be at greater risk for autism.

And the increased danger wasn't slight: Using data on every birth in Ontario, ... Full Page

Black people with severely malfunctioning heart valves are less likely than their white peers to receive lifesaving valve replacements, according to a new study.

The study, published Tuesday in the Journal of the American Heart Association, looked at the treatment rates by race for aortic valve stenosis, a condition when the valve doesn'... Full Page

There is a longstanding fear in the scientific community that pharmaceutical companies could sway the research published in medical journals by paying them for advertising, but a new study reveals that advertising might not be the problem.

"All the available literature suggests that ad revenue should be the real concern, but that's not... Full Page

The Trump Administration is weighing a new rule that would temporarily block an American citizen or legal permanent resident from returning to the United States from abroad if authorities believe the person might be infected with the coronavirus.

President Donald Trump has already imposed sweeping rules that ban entry by foreigners int... Full Page

New York City resident Jeanne Jennings was so sick with COVID-19 she couldn't draw a decent breath.

"Even going from my bed to the bathroom was such a difficult task, I felt like I was going to pass out," Jennings, 46, said.

Jennings wanted to go to the hospital, but this was early May, the height of the Big Apple's COVID-19 ... Full Page

Be careful that the COVID-19 information you're getting is accurate and not opinion masquerading as the real McCoy, says the American College of Emergency Physicians.

Watch out for bold claims and instant cures touted on social media or by friends. Get health and medical information from experts like the ACEP and the U.S. Centers for ... Full Page

Depression, anxiety and inactive lifestyles are all too common among college students, and a new study finds they may have escalated during the initial outbreak of COVID-19.

Using a mix of smartphone data and online surveys from more than 200 students, researchers at Dartmouth College determined that the coronavirus pandemic had an imm... Full Page

Virtual medical visits have been invaluable for many during the COVID-19 pandemic, but older adults may still need help managing them -- especially if they are hard of hearing.

That's according to doctors at Johns Hopkins University, in Baltimore. Writing in the Aug. 11 Annals of Internal Medicine, they offer some practical advi... Full Page

Americans have long known that there's an epidemic of opioid abuse and deaths in the United States. But a new report suggests the true extent of these tragedies has been underestimated.

The study, from researchers at the University of California, San Francisco, finds that 1 in every 6 deaths attributed to sudden cardiac arrest among Sa... Full Page

As researchers hone in on ways to detect whether someone has a high risk of developing Alzheimer's disease before they have any symptoms, mental health professionals have worried what the psychological fallout of that knowledge might be.

But new research suggests that people can handle the truth.

In the study, seniors who d... Full Page

Black and Hispanic Americans are much more likely than white people to avoid going to the hospital for heart attack or stroke symptoms during the COVID-19 pandemic, an online survey reveals.

More than half (55%) of Hispanics, 45% of Black people and 40% of white people said they'd be scared to go to the hospital if they tho... Full Page

Bugs beware: There's a powerful new insect repellent in town.

Just approved by the U.S. Environmental Protection Agency and known as nootkatone, the citrus-scented ingredient repels mosquitoes, ticks, bedbugs and fleas.

In high concentrations, it can kill these pesky insects and slow the spread of the diseases they can carry... Full Page

What if you were given a heart screening when you see your gynecologist?

New research suggests that such a strategy might be smart medicine.

Scientists found that 86% of women seen at an outpatient gynecology clinic had a cardiovascular risk factor and 40% had at least one cardiovascular symptom, but there was low awa... Full Page

Diabetes can wreak havoc on many parts of the body, including the eyes, but people with diabetes aren't doomed to have vision problems.

With good blood sugar management and regular eye exams, many eye conditions can be prevented or treated, experts say.

Patricia Welter, a Pilates studio owner from Palm Harbor, Fla., wishes ... Full Page