Health

Denver banned the use of lead pipes in 1971, but tens of thousands of homes built before then contain them.

EPA Approves Denver’s $700 Million Plan to Remove Lead Pipes

Colorado's capital city will also get federal funding for the replacement project

A brain scan of a person with Alzheimer's disease

Second Death Tied to Experimental Alzheimer’s Treatment

While the new drug is seen as a breakthrough, these deaths highlight a possible risk to patients on blood thinners, experts say

Histoplasma under a microscope

Fungi That Cause Lung Infections May Be Spreading Across the U.S.

Doctors are likely to misdiagnose cases due to outdated maps of these fungi’s ranges

Close to two million Americans have Type 1 diabetes, according to the American Diabetes Association.

First Drug to Delay Type 1 Diabetes Approved by FDA

The treatment held off disease onset by an average of two years in a clinical trial, but it won’t be cheap

An illustration of human sperm.

Human Sperm Counts Declining Worldwide, Study Finds

Researchers disagree on whether the trend has implications for human fertility

New research suggests earbuds may be an affordable, low-stigma alternative to hearing aids for some people.

Are AirPods the Hearing Aids of the Future?

New research suggests that personal sound amplification products like earbuds may help some people hear better in certain scenarios

A sonogram of a human fetus. 

Doctors Treated a Child for a Genetic Disease Before She Was Born

Treating fetuses for the enzyme deficiency might prevent early disease progression

Rhea L. Combs (left) and Ava DuVernay (right) share a laugh in front of DuVernay’s portrait during the National Portrait Gallery's 2022 Portrait of a Nation Gala on Saturday, November 12, 2022.

See Stunning Portraits of Ava DuVernay, José Andrés and the Williams Sisters

The National Portrait Gallery's 2022 Portrait of a Nation Award honors seven changemakers, from Anthony Fauci to Clive Davis

Human red blood cells at 1,000 times magnification. 

Scientists Perform First Transfusions of Lab-Grown Blood

A clinical trial is testing how lab-grown cells might help patients with blood disorders and rare blood types

New research finds that excessive alcohol consumption is killing Americans during their prime working years.

Alcohol Caused One in Eight Deaths of Working-Age U.S. Adults

CDC research shows excessive drinking is killing Americans in the "prime of their life"

Sonoran Desert toads live at least ten years and possibly as many as 20. 

Don’t Lick This Toad, National Park Service Says

Sonoran Desert toads secrete a psychedelic toxin strong enough to kill a full-grown dog

Nearly ten percent of all deer-vehicle collisions occur in the two weeks surrounding the time change in the fall.  

Deer-Car Collisions Rise When Daylight Saving Time Ends

Forgoing the “spring forward, fall back” pattern could save 33 human lives, 37,000 deer and more than $1 billion per year, study suggests

An Anopheles stephensi mosquito feeds on a human. 

Invasive Mosquito Tied to Malaria Outbreak in Ethiopia

The species can survive the dry season and infect residents of urban areas

Magic was just another tool in a medieval animal healer's toolbox.

The Veterinary Magic of the Middle Ages

Medieval healers treated animals' ailments with a mix of faith, tradition and science

The fungus Aspergillus fumigatus, as seen under an optical microscope. It's listed as a critical priority on the WHO's new report of most harmful fungal pathogens. 

These Fungal Pathogens Are the Most Harmful to Human Health

Fungal infections kill more than 1.5 million people each year, and the WHO warns they are becoming more prevalent and resistant to treatment

Roughly 4 percent of adults in the United States have chronic nightmares.

Can a Musical Reminder Banish Bad Dreams?

Scientists hope that playing certain chords while sleeping can trigger positive memories and prevent nightmares

A scary figure emerges in a doorway at Dystopia Haunted House.

Can Experiencing Horror Help Your Brain?

The "recreational fear" that arises from visiting haunted houses and watching scary movies may provide psychological benefits

Researchers detected toluene, ethylbenzene, xylene, benzene and other harmful compounds in samples from unlit gas stoves.

Gas Stoves Are Leaking Toxins Into California Homes

Researchers found cancer-causing benzene and other air pollutants in samples from 159 Golden State residences

Emmett Lewis' ancestor Cudjo Lewis was one of the last survivors of the Clotilda.

These Descendants Never Forgot the Story of the Last American Slave Ship

A new Netflix documentary follows the families of the "Clotilda" captives as they grapple with how their past informs their future

As of October 19, 10,991 people are waiting for a liver in the United States. Further research into long-lasting livers could expand the transplant pool.

Transplanted Livers Can Survive Past 100

These organs that live for more than a century could raise the age of potential donors, perhaps shortening waits for the life-saving procedure

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