Health

A hazy smoke over Washington, D.C., on Thursday morning, where air quality reached very unhealthy levels, with increased risk of health effects for all groups.

Canadian Wildfires Send Harmful Smoke Across Eastern United States

At least 20 states were air quality alerts this week, and in some places, air quality reached unhealthy levels for all groups

The toilet discovered at the House of Ahiel

Iron Age Residents of Jerusalem Suffered From Dysentery

A new analysis of 2,500-year-old toilets has found early evidence of a harmful parasite

Blister packs of Ketamine lozenges

Could Ketamine Treat Severe Depression?

Research suggests the anesthetic is at least as effective as electroconvulsive therapy, the current standard for treatment-resistant depression

Gert-Jan Oskam was paralyzed in a biking accident in 2011. After rehab with an implant, he's been able to walk more than 330 feet at a time and climb stairs.

Paralyzed Man Walks Again With Brain and Spinal Cord Implants

The experimental technology translates the patient's thoughts into voluntary movements

Colorized scanning electron micrograph of a cell (green) infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample.

Scientists Identify 12 Major Symptoms of Long Covid

The effort is a step toward accelerating research and finding treatments for the debilitating condition

This X-ray of a study participant shows recording electrodes placed in the brain in red, as well as two controllers implanted in the shoulders.

Scientists Decode Brain Waves Linked to Chronic Pain

A new way to objectively measure chronic pain could lead to new treatments for the common condition that can be debilitating

Four of the participants will exercise on a cycling machine while spinning around in a centrifuge designed to mimic artificial gravity.

Volunteers Are Spending 60 Days in Bed to Help Astronauts Stay Healthy in Space

For two months, the group of 12 men must eat, sleep, exercise, bathe and use the toilet while at least one shoulder is touching the bed

North Carolina's Camp Lejeune in 2017. From 1953 to 1987, the drinking water at the base was contaminated with a number of chemicals.

Common Chemical Strongly Linked to Parkinson's

Service members stationed at Camp Lejeune, where water was contaminated, had a 70 percent greater risk of developing the movement disorder, new study finds

One of the study's participants was Woofus, a 15-year-old basset hound mix.

Older Dogs With Dementia Sleep Poorly—Just Like Humans

The findings may help veterinarians and pet parents identify canine cognitive decline

A death cap mushroom, the most poisonous mushroom in the world. Around 90 percent of all mushroom-related fatalities are caused by the fungus.

Possible Antidote to World's Deadliest Mushroom Discovered

A dye used in medical imaging appeared to make the death cap's toxin less fatal to mice in a new study

An MRI of the brain of a person with Alzheimer's not connected to the new study.

A Man's Rare Genetic Mutation May Have Prevented Alzheimer's for Decades

Scientists hope the findings could lead to treatments for the memory-destroying disease

With wingspans of up to nine feet, California condors are the largest birds in North America.

Bird Flu Vaccine Approved in Emergency Effort to Save California Condors

The virus has set back the endangered birds' recovery, but a newly hatched chick is flu-free and being raised by veterinarians

Trichophyton simii, shown here under a microscope, is one of 40 species of fungi that can cause ringworm infections.

First Cases of Drug-Resistant Ringworm Found in the U.S.

The two patients—both in New York City—developed itchy rashes that did not go away with typical antifungal medications

An experimental "peanut patch" could help ease stress in families of young children with allergies.

A Skin Patch Could Help Allergic Toddlers Tolerate Peanuts

Some young children with allergies could eat low doses of peanuts without a severe reaction after wearing the patch for a year in a clinical trial

The "pangenome" is meant to make medicine more equitable by including genetic sequences from a more diverse group of people.

Researchers Reveal the 'Pangenome,' a More Diverse Look at Human DNA

The new version of the human genome could lead to better diagnostics and treatment of genetic diseases

Many new digital psychiatry solutions have attracted funding in recent years, and experts have questions about how helpful or harmful they will be.

Can Digital Psychiatry Really Fill the Mental Health Care Gap?

Thousands of new tools with unproven results are entering the fold to help Americans in need

Even before the Covid-19 pandemic, about half of all American adults reported experiencing loneliness.

An 'Epidemic' of Loneliness Threatens Health of Americans, Surgeon General Says

Being socially disconnected can have health impacts akin to smoking 15 cigarettes per day, according to a new report

An electron micrograph of the respiratory syncytial virus (RSV), which kills an estimated 160,000 people worldwide each year.

First RSV Vaccine for Older Adults Approved in U.S.

The shot to combat the potentially deadly virus could be available in the fall, pending a green light from the CDC

The Seatrac on a beach on the Greek island of Samos

Greece Is Making Hundreds of Beaches More Accessible

Remote-controlled, wheelchair-friendly ramps will allow vacationers with mobility challenges to enjoy the sea

Stress can contribute to a number of health problems, such as high blood pressure, diabetes and depression.

Stress Can Age You, but It Could Be Reversed, Study Says

While stressful events like surgery and pregnancy can raise biological age—which is linked to health risks—the change may not be permanent

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