Disease and Illnesses

Experts recommend that dog owners make sure their pets are up to date on their vaccines and reducing their contact with large numbers of other dogs. 

Hundreds of Dogs Across the U.S. Are Falling Ill With Unknown Respiratory Illness

Researchers are not sure whether a virus or bacteria is causing the pets' ailments

A candlelit vigil on January 13, 2022, in Washington, D.C., for nurses who died during the Covid-19 pandemic. A new study finds that Covid-19 was the leading reason for a growing gap in life expectancy between U.S. men and women from 2019 to 2021.

Women Now Live Nearly Six Years Longer Than Men in the United States

Disparities from Covid-19 and opioid overdose deaths are major contributors to the widening gap, according to a new study

Ketamine and esketamine are the only psychedelics currently being used clinically with eating disorder patients.

Are Psychedelics the Future of Eating Disorder Treatment?

The drugs have been shown to reduce depression and anxiety symptoms and make individuals more flexible in their thinking

Detail of the rediscovered "fiend" in Joshua Reynolds' painting The Death of Cardinal Beaufort (1789)

Hidden Demon Revealed in the Shadows of a Joshua Reynolds Painting

Conservators have restored the malignant spirit, which generated controversy among 18th-century audiences

A blood smear of a patient with sickle cell. The crescent-shaped sickle cells can be seen in the smear.

Gene-Editing Treatment for Sickle Cell Disease Moves Closer to Approval

FDA advisors said the benefits seem to outweigh any possible risks, and the agency will decide whether to approve it by December 8

Aedes aegypti mosquitoes can spread dengue fever to humans via bites.

'Extremely Rare' Case of Locally Acquired Dengue Fever Detected in California

Officials say the risk of exposure to the virus, which is spread by mosquito bites, is very low for residents

The Centers for Disease Control and Prevention found that 7.5 percent of all adults in the U.S. had experienced long Covid.

Reduced Serotonin Levels Could Cause Long Covid Symptoms, Study Finds

Researchers identify a mechanism through which inflammation related to the virus leads to lower levels of the neurotransmitter

Temperature varies from person to person and it differs throughout the day.

What's Really the Average Human Body Temperature?

Long thought to be 98.6 degrees Fahrenheit, the measurement is highly personal and varies depending on time of day, among other factors, new research finds

More than 52 million birds died in the U.S. because of avian flu outbreaks in 2022.

Editing Chicken Genes Could Slow the Spread of Bird Flu, Study Suggests

Using CRISPR technology, researchers edited a protein gene that increased chickens' resistance to the virus. But the process is far from practical use

Patients with the 1918 flu at a barracks hospital in Colorado.

The 1918 Flu Hit Frailer People the Hardest, Study Suggests

Skeletons of people who died before and during the 20th-century pandemic counter the narrative that young and healthy people were targeted by the disease

A photo from the announcemnent of this year's Nobel Prize in Physiology or Medicine. The researchers discovered a way to edit synthetic mRNA so that it could pass by cells' defense mechanisms, allowing it to be used in Covid-19 vaccines.

Nobel Prize in Medicine Honors Two Scientists Who Enabled mRNA Vaccines

Katalin Karikó and Drew Weissman discovered a way to edit mRNA so it could be used in vaccines without getting attacked and destroyed by the body

The life cycle of the parasitic rat lungworm involves rats spreading it to snails and slugs, which pass it back to rats.

Parasitic, Invasive Worm Found in Rats in Georgia

While the worm can sicken people, few human infections have been reported in the U.S., and it typically doesn’t require treatment

FDA panelists say phenylephrine itself isn't dangerous, but taking it could lead to sick patients delaying effective treatment.

Leading Decongestant in Cold and Flu Medicines Doesn't Work, FDA Advisory Panel Says

Phenylephrine, a popular ingredient in over-the-counter remedies, is no better than a placebo, per the panel

Moose numbers have plummeted in Minnesota.

What's Killing Minnesota's Moose? Studies Reveal Sites of Deadly Brainworm Transmission

Carried by deer and spread by snails and slugs, a lethal parasite is infecting the large ungulates, which have recently declined dramatically

Smoke rises from buildings destroyed in the town of Lahaina last week by the Maui wildfires. A new study ties long-term exposure to smoke from wildfires to increased risk of dementia.

Long-Term Wildfire Smoke Exposure Linked to Dementia Risk, Study Finds

Among nine sources of particle pollution, fires and agriculture had the strongest link to dementia, according to a new analysis of a national survey

Covid-19 cases are on the rise in the U.S., but experts say it is not unexpected.

Covid-19 Hospitalizations Show an Uptick in the U.S. but Remain Low

Since the end of the nation's public health emergency for the virus, hospitalizations are one of the best available indicators of trends in case totals

The meat allergy is linked to bites from the lone star tick, most commonly found in the southeastern, south-central and mid-Atlantic regions of the United States.

A Meat Allergy Linked to Tick Bites May Be Increasing in the U.S., CDC Report Finds

As many as 450,000 people may have the potentially life-threatening condition, with thousands of those cases undiagnosed, the agency estimates

Candida auris

This Fungus Is Quickly Spreading, and Climate Change May Be to Blame

Washington state reported its first case of Candida auris, which can cause illness in people with weakened immune systems

Paul Kaufmann inherited several of what are thought to be fragments of Ludwig van Beethoven's skull, which he has donated to the Medical University of Austria.

Skull Fragments Thought to Be Beethoven's Return to Vienna

The composer asked that, following his death, his physician study the illnesses that plagued him during his life

Researchers estimate the states with the highest rates of Alzheimer's disease are Maryland, New York and Mississippi.

Here's Where the Highest Rates of Alzheimer's Are in the United States

A first-of-its-kind report estimates Alzheimer's disease prevalence in 3,142 counties across the nation

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