Health

Increased immunity from vaccines and previous infections could be a reason behind the drop in cases of "Covid toes." (Pictured: Nurse Sandra Lindsay—the first person to receive vaccine in the USA on December 14, 2020— receives COVID-19 Pfizer vaccine booster in New York on October 6, 2021.)

Powerful Immune System Response May Be Behind 'Covid Toes'

A new study brings doctors closer to understanding the mysterious frostbite-like lesions on patients' toes and fingers

A public art installation commemorating Americans killed by Covid-19 on the National Mall featuring more than 650,000 small plastic flags, some with personal messages to those they’ve lost.

More Than 700,000 Americans Have Now Died of Covid-19

There have been over 100,000 deaths since mid-June despite widespread vaccine availability

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How Science Conquered Diphtheria, the Plague Among Children

It was highly contagious, lethal and mysterious. Then medical experts developed treatments and vaccines, and the affliction disappeared—but not entirely

Denver Bronco player David Bruton grabs his head on the field after a reported concussion. Many patients with such head injuries suffer symptoms months after their diagnosis, even though their brains look healthy on CT scans.

This Molecule Could Be the Key to Understanding Why Concussions Have Such Long-Term Effects

Neuroscientists identified the molecule that persists in the brain—and showed how to disarm it in mice

Ultrasound of a 4-month-old fetus

A Brief History of the Sonogram

In the mid-1950s, a Scottish obstetrician became the first to apply ultrasound technology to a pregnant human abdomen

Umeno Sumiyama (left) and Koume Kodama (right) with their official certificates

107-Year-Old Japanese Sisters Are the World's Oldest Identical Twins

Umeno Sumiyama and Koume Kodama were born on the island of Shodoshima on November 5, 1913

Children ages 5 to 11 could be eligible to get the vaccination as early as October, pending FDA authorization.

Pfizer Says Covid-19 Vaccine Safe and Effective for Kids Ages 5 to 11

FDA authorization could come as early as October

The device includes a hemofilter made up of silicon semiconductor membranes that remove waste products from blood and a bioreactor containing renal tubule cells that regulate water volume, electrolyte balance and other metabolic functions.

This Bioartificial Organ Could One Day Save 'Millions' Living With Kidney Disorders

Scientists won a $650,000 prize for the successful demonstration of the prototype

An advisory panel says most fully vaccinated Americans are still well-protected from Covid-19.

FDA Advisory Panel Recommends Covid-19 Booster for Older and High-Risk Americans

The committee says most Americans don’t need a booster shot just yet

Aaron Bolds, a former college basketball player, graduated from medical school in 2018. He’s now a doctor at Mount Sinai Health System in New York, specializing in rehabilitation medicine.

To Boost Black Men in Medicine, Advocates Turn to Sports

High-performing athletes possess many of the skills and attributes that physicians need, supporters of the strategy say

The microCOVID project was started by a group of friends and housemates who wanted to be more equitable about safety precautions.

This Calculator Estimates Your Risk of Getting Covid-19

The online tool draws on recent data to approximate your chances of contracting the virus in different scenarios

Children head back to school in August even as the Covid-19 delta variant makes its rounds. For reasons that aren’t fully understood, kids do not get as sick from Covid-19 as adults do. The role of schools in fostering spread of the virus is also under study.

Why Don't Kids Tend to Get as Sick From Covid-19?

Some children have been hospitalized and some have died, but at a tiny fraction of the adult rate. Scientists are trying to find out why.

In the televised speech, the president outlined a six-part plan to fight the ongoing pandemic.

Biden Administration Announces Vaccine Mandate That Will Affect More Than 80 Million American Workers

The strict policies have been implemented to combat the resurging Covid-19 pandemic

Firefighters walk towards one of the towers at the World Trade Center before it collapsed on September 11, 2001.

9/11 Changed How Doctors Treat PTSD

New research in the 20 years since the September 11th attacks has led to better therapies for those diagnosed with trauma disorders

An Israeli study finds that Covid-19 immunity is significantly improved by a third Pfizer-BioNTech vaccination.

Israeli Study Finds Third Shot Provides Significant Boost in Covid-19 Immunity

Israeli study finds infection rate drops dramatically with third Pfizer-BioNTech vaccination

Flight attendant Lorraine Bay carefully recorded every flight she worked in this log book, found near the wreckage of Flight 93 in Shanksville, Pennsylvania.

Thirty-One Smithsonian Artifacts That Tell the Story of 9/11

From a Pentagon rescuer's uniform to a Flight 93 crew log, these objects commemorate the 20th anniversary of a national tragedy

The researchers retrieved frog foam from the forests of Trinidad and brought it back to their lab after removing the eggs, hatching them and returning the tadpoles to the wild.

Frog Foam May Help Deliver Drugs to Human Skin

A new study suggests the concoction created by mating amphibians may help dispense medicine slowly over time

Early trials show a second dose of the J&J Covid-19 vaccine after six months later provides a promising antibody response.

Johnson & Johnson Says Extra Shot Gives Promising Immune Boost

Those who got the one-shot Covid-19 vaccine could benefit from a booster after eight months, according to the company

The trials will test the safety of the two experimental vaccines and how well it stimulates a broad range of antibodies against HIV in the body. Pictured: An HIV infected T-cell.

Moderna to Begin Human Trials for Two Experimental HIV Vaccines

The vaccines are mRNA based, like the biotech company's Covid-19 vaccine

Simone Biles (pictured) and Naomi Osaka, both Black athletes at the top of their sports, have been vocal about their struggles with mental health.

The Relationship Between Race and Wellness Has Never Been More Pressing

A new Smithsonian initiative kicks off this week with a virtual summit examining these urgent issues

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