An advertisement for Burdock Blood Bitters

The Bitter Truth About Bitters

A bottle of bitters from about 1918 had significant amounts of alcohol and lead—and not a trace of the supposed active ingredient.
Ascaris worms, a group of parasitic nematode worms, also known as small intestinal roundworms.

How Archaeologists Use Parasites to Track Urbanization

Historical patterns of parasitic infection show up differently depending on the class status of a neighborhood.
Nurses withdraw blood for testing from a volunteer taking part in the AIDSVAX B/E vaccine trial July 18, 2002 at the Boon Mee Clinic in Bangkok, Thailand.

RV144: The Largest HIV Vaccine Trial in History

One of the biggest advances in AIDS vaccine research was a controversial, landmark treatment that tested a new vaccine on 16,000 Thai volunteers.
C. Buddy Creech

C. Buddy Creech: Your Vaccine Questions Answered

Vaccinologist C. Buddy Creech on getting vaccinated, racial disparities, and the lessons we’ve learned after a year of COVID-19.
This 1964 poster featured what at that time, was CDC’s national symbol of public health, the “Wellbee”, who here was reminding the public to get a booster vaccination.

How Three Women Led the Fight against Pertussis

As whooping cough killed thousands of kids annually, a trio of public health workers were deeply involved in the production and distribution of a vaccine.
Vegetables cooking in a pan on a stove

What to Do about Indoor Air Pollution

Even for those stuck at home during the pandemic, quarantine can pose dangers to health. But it's not all dire!
An illustration of digital viruses

Do Viruses Cheat to Win at Evolution?

How one pair of researchers used game theory to predict the sneaky, underhanded behavior of microbial competitors.
A woman's hand holding a turkey baster

Notes on Queer Conception and the Redefinition of Family

Feminist scholars refer to the “intensely communal, queer, and playful nature” of DIY LGBTQ conception, but Fertility, Inc. is another story.
Florence Nightingale

How Courageous Should Nurses Have to Be?

According to three scholars, it's asking a lot for health care professionals to be completely selfless.
A person's palms presented to the camera

The Trouble with “Native DNA”

Genetic testing to determine who is Native American is problematic, argues Native American studies scholar Kim TallBear.