Health

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

A nurse administers the Pfizer Covid-19 vaccine in Los Angeles, California, in August. More than one million individuals have gotten a third dose of the Pfizer or Moderna vaccine in the United States.

Six Important Questions About Booster Shots Answered

Experts weigh in who needs the shot first, when it should happen and how it will help

As the highly contagious Delta variant surges through the country, experts are expected to recommend that Americans get a third dose of the Covid-19 vaccine.

U.S. Will Soon Recommend Covid-19 Booster Shot 8 Months After 2nd Dose for Most Americans

The decision comes after mounting evidence that coronavirus vaccine efficacy wanes over time

Smoke from nearby wildfires turned the sky above San Francisco a dark orange color last September.

Wildfire Smoke Linked to Covid-19 Cases and Deaths in the West

Thousands of coronavirus cases and hundreds of deaths may be attributable to the particulate matter in wildfire smoke

Excavation of a grave at the Roman site in 1992

Traces of Lead Found in 5,000-Year-Old Human Remains

A new study details the link between lead production and the metal's presence in bones buried at a Roman cemetery

Those eligible for boosters include some organ transplant recipients, those with certain cancers, and others with similarly compromised immune systems.

FDA and CDC Authorize Covid-19 Booster Shot for Some Immunocompromised People

Certain transplant recipients, cancer patients and others can soon get a third dose of the Pfizer-BioNTech or Moderna vaccine

Neither the FDA nor the researchers would identify the brands tested for the study. They also are not advocating that pet owners discontinue using dog foods containing peas at this time.

Are Peas in Common Dog Foods Contributing to Canine Heart Disease?

At this time, the FDA is not advocating that pet owners discontinue using any specific brand. But studying legumes may lead scientists to the root cause

Individuals wear masks while shopping at a grocery store in Los Angeles. Masks help prevent breakthrough infections.

Six Important Things to Know About Breakthrough Infections

As the Delta variant likely drives more cases of Covid-19 in vaccinated individuals, experts weigh in with helpful information

A man in Seattle wears a mask as wildfire smoke descends on the city in September of 2020.

Four Ways to Protect Yourself From Harmful Air Pollution Caused by Wildfires

Awareness about exposure, high-quality masks and air filters can help protect you from dangerous pollutants in smoke

Were it not for tuberculosis, artist and furniture maker Daniel Mack writes, “It’s unlikely that there would have been an Adirondack chair.”

How the Adirondack Chair Became the Feel-Good Recliner That Cures What Ails You

The furniture piece has gone through countless permutations, but it all started at a time when resting outdoors was thought to be a matter of life or death

Will an American athlete from the Tokyo Games grab gold and become the next to be featured on the cover of Wheaties?

How Wheaties Became the 'Breakfast of Champions'

Images of Olympians and other athletes on boxes helped the cereal maintain a competitive edge

Before killing Salmonella, the detergent-like protein APOL3 (green) must get through the bacteria's protective outer membrane (red).

Human Cells Ward Off Bacterial Invaders With a Protein That Behaves Like Soap

Researchers discover that immune cells aren’t the body’s only line of defense against bacterial pathogens

Researchers say that wild plants that gave rise to today’s three lineages of cannabis grew in present-day China.

New Study Suggests Cannabis' Wild Ancestors Likely Came from China

The analysis identifies East Asia as a potential source of genetic diversity for the growing market for medical and recreational marijuana

The vestiges of two limestone tuberculosis huts can still be seen in Mammoth Cave.

When Tuberculosis Patients Quarantined Inside Kentucky's Mammoth Cave

In the early 1840s, believing the air was therapeutic, Kentucky doctor John Croghan ran a consumption sanatorium deep underground

Nine out of 10 malaria victims live in Africa, most of them children under the age of five.

West African Scientists Are Leading the Science Behind a Malaria Vaccine

Researchers in Mali have been working for decades on the treatment that's now in the final phase of clinical trials

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