Vaping Raises a Teen's Odds of Developing Asthma

New research underscores the harms of e-cigarettes, showing that vaping increases the risk of asthma in teens who have never smoked cigarettes.

Although e-cigarettes have fewer toxins than regular cigarettes, they still contain a mixture of harmful chemicals and raise the risk of respiratory diseases, researchers say.

“Increasing k...

Babies May Leave Cells Behind That Help Mom Prepare for Future Pregnancies

One pregnancy may leave behind microscopic souvenirs that prepare a mom's immune system for the next one, a new study suggests.

Experts said the research, carried out in lab mice, offers new insights into a longstanding puzzle: Why doesn't a pregnant woman's immune system attack the fetus, which is essentially a foreign invader?

Scie...

Today's COVID Is Increasingly Looking Like a Cold or Flu

Symptoms of mild COVID-19 infection have shifted this season, and now are more akin to those of allergies and the common cold, doctors say.

Many people with COVID-19 now are presenting with upper respiratory symptoms like runny nose, watery eyes and a sore throat, said Dr. Teresa Lovins, an independent family physician in Columbus, Ind.

FDA Must Crack Down on Retailers Selling Tobacco to Teens: Report

A new government report finds that federal regulators need to do more to help in the battle to keep kids and teens off tobacco.

Among the report’s findings were that the U.S. Food and Drug Administration needs to get tough on retailers selling tobacco to youth and should improve its oversight of online retailers.

The FDA should al...

U.S. Resumes Free COVID Test Program

Americans will once again be able to get free at-home COVID tests.

The U.S. Department of Health and Human Services (HHS) announced Wednesday that it will spend $600 million to buy and offer the tests, produced by 12 domestic manufacturers, and it will begin accepting orders for those tests on Monday through covidtests.gov.

“The Bi...

Suppressing Negative Thoughts Can Sometimes Be Healthy, Study Contends

A longstanding core belief of mental health maintains that people must confront their fears to ease the anxiety and depression stemming from those negative thoughts.

Now a new study argues that, for some people, suppressing negative thoughts and worries might be a more successful strategy.

Mental health actually improved for some stu...

In Mississippi, a Huge Jump in Cases of Babies Born With Syphilis

The United States is experiencing an alarming wave of congenital syphilis, and one southern state saw a 1,000% rise in babies born with the infection between 2016 and 2022.

The number of babies born with the infection in Mississippi rose from 10 in 2016 to 110 in 2022. Syphilis is a sexually transmitted bacterial infection. Congenital syph...

Gun Injuries Rise as Neighborhoods Gentrify

As working class neighborhoods gentrify, you'll likely see rents rise, pricey restaurants move in — and maybe also a rise in gunshot wounds, researchers say.

In U.S. neighborhoods that gentrified, gun injuries were 62% higher than they were in similar neighborhoods that hadn’t gone upscale, according to a new study.

Overall fire...

Wildfire Smoke Pollution a Growing Global Threat

More people around the world are exposed to wildfire smoke that has the potential to harm human health, and their numbers are growing, new research finds.

More than 2 billion people are exposed to at least one day of potentially health-impacting wildfire smoke each year, a figure that has grown by almost 7% in the past decade, according t...

Helping Undocumented Immigrants Find a Primary Care Doc Lowers ER Costs: Study

Helping undocumented immigrants in the United States connect with primary care doctors could be a money-saver, substantially reducing emergency department use and lowering health costs, a new study finds.

The findings are from a New York City program that helped arrange medical appointments from May 2016 to June 2017 for undocumented immig...

Substance Abuse Greatly Raises Odds of Heart Attack, Stroke During Pregnancy

Substance abuse and pregnancy may be a dangerous combination.

New research finds that pregnant women with a history of substance abuse had a dramatically increased risk of death from heart attack and stroke during childbirth compared to women with no drug history.

“This telling research shows that substance use during pregnancy dou...

Millions Are Exposed to Secondhand Smoke and Don't Know It

A lot of people who think they don’t have secondhand smoke exposure actually do, according to a new study that compared survey answers with blood tests.

According to the results of sensitive blood tests, more than half of American adults in the study had recently been exposed to secondhand tobacco smoke. Most were not aware of it.

...

Wildfire Smoke Is Reversing Recent Clean-Air Gains Across the U.S.

When Canadian wildfire smoke shrouded the New York City skyline and spread to parts of New England this summer, millions of East Coast residents saw firsthand just how pervasive it can be.

Now, a new study quantifies exactly what wildfire smoke is doing to hard-fought gains in cleaning up the air, even in Eastern states not typically affec...

Could Artificial Sweeteners in Processed Food Raise Depression Risk?

Highly processed packaged foods and drinks may be quick, cheap and tasty, but new research suggests they’re also likely to up your risk for depression.

Among big consumers of ultra-processed foods, depression risk may rise by as much as 50%, the new study found, particularly when those foods are artificially sweetened.

“Given wha...

FDA Wants More Data on First Needle-Free Antidote for Severe Allergic Reactions

In a surprising move, the U.S. Food and Drug Administration (FDA) has opted not to approve a needle-free alternative to the EpiPen for emergency treatment of severe allergic reactions.

Approval of the Neffy nasal spray was widely anticipated. An FDA advisory panel voted to recommend approval of the drug for children and adults in May. Whil...

Rat-Borne Parasite That Can Cause Brain Disease Spreading in Southern U.S.

Brown rats found and analyzed near Atlanta now carry rat lungworm, researchers report.

It's a parasite that can trigger a dangerous brain encephalitis in both people and pets, and which now threatens a wide area of the U.S. Southeast.

Researchers in Georgia say the microscopic rat lungworm, known scientifically as Angiostrongylus...