Epidemiology

Epidemiology

Ancient-style illustration of three nude male warriors running, each holding a decorated round shield and wearing a crested helmet, inspired by themes explored by thinkers like Ezekiel Emanuel.
Health policy expert Ezekiel Emanuel says you don’t have to be obsessed to live a healthy life. Wellness can, and should, be something you enjoy.
An illustration of an eye outline formed by two black arrows, with a blue Earth at the center where the iris would be, on a textured beige and peach background.
An ode to the data visualization tools that help us see what is too vast, complex, or interconnected for the naked eye — from planetary systems to pandemic trends.
Book cover with the title "The Formula for Better Health: How to Save Millions of Lives—Including Your Own" by Tom Frieden, MD, MPH, featuring illustrated silhouettes of people and a nod to Alice Hamilton’s pioneering work in public health.
In this excerpt from "The Formula for Better Health," Tom Frieden explores how Alice Hamilton transformed public health in her fight against lead poisoning.
lab leak SARS-CoV-2
In theory, scientists could've produced a deadly virus that accidentally infected lab workers. In practice, we know that didn't happen.
covid nasal spray
A new bill introduced into the US Senate claims to make us safer. Instead, it would destroy all virology research, and for no real cause.
Group of people in a formal setting, with a man holding a large book, others standing nearby, and photographers capturing the scene. There is a large portrait and flags in the background.
We're all entitled to our own opinions, no matter how ill-informed they are. But facts are facts; we can't just choose the ones we prefer.
A textured, abstract artwork prominently features the word "CENSORSHIP" in bold black, flanked by stark words like "BEATEN," "DEATHS," and "IRON FIST." The beige backdrop subtly hints at government influence, blending shadows of science with restraint.
With a flurry of threats to scientists, science funding, and health policy, the USA now faces a crisis reminiscent of Soviet-era Lysenkoism.
Mousetrap with assorted colorful pills on the trigger, set against a red, wavy striped background.
Today's pseudoscience-ridden wellness industry owes a great debt to its forefathers.
Large hall with rows of hospital beds occupied by patients and attended by medical staff, likely during an early 20th-century medical crisis.
Caitlin Rivers wants to tell the story of epidemiology and the public health heroes who keep the world safe and healthy.
Illustration of a partially hidden scale showing a weight of 240 pounds, with the other half depicting a person in a striped shirt against a blue grid background.
A CDC survey suggests America’s obesity rate may be falling.
A healthcare worker wearing blue gloves gently inserts an IV into a man's hand as he lies on a hospital bed, battling lung cancer.
For a substantial part of human history, people thought smoking tobacco was perfectly healthy. Native American tribes, who introduced the tobacco plant to Europeans and — by extension, the rest […]
A stylized image of the Statue of Liberty with a red overlay subtly symbolizes resilience and freedom, evoking thoughts on life expectancy.
In 2021, residents of the top America could expect to live 20.4 years longer than residents of the bottom America.
A smartphone with a red case displays a world map on the screen, set against a vibrant orange background.
The integration of artificial intelligence into public health could have revolutionary implications for the global south—if only it can get online.
Person examining a petri dish with tweezers, holding small colored objects, against a dark background.
They’re in our brains, hearts, and blood — but what are they doing to us?
People walking on a city street with steam rising from vents create a scene reminiscent of an omics exposome research study. A woman in a white beanie looks back as buildings and traffic form the vibrant backdrop.
Of the millions of substances people encounter daily, health researchers have focused on only a few hundred. Those in the emerging field of exposomics want to change that.
In partisan political times, recognizing the scientific truth is more important than ever. Scientists must be vocal and clear about reality.
A person in protective gear cautiously holds a white chicken inside a controlled environment chamber, underscoring precautions against bird flu.
Differences in certain avian and mammalian proteins explain why avian influenza doesn't (typically) infect humans.
A woman performing a high-knee exercise is overlaid on an image of a brain scan, set against a green and black background, highlighting the importance of exercise in the fight against Alzheimer's.
Could exercise be more effective than recently approved drugs?
A small clock displaying 9:10 is surrounded by a tangled yellow measuring tape with black markings against a dark background, symbolizing the precision and commitment of intermittent fasting.
"Fasting...should not be demonized for simply suggesting that we take a break from eating once in a while."
Line chart showing body mass index (BMI) trends for various countries. Lines are labeled by country, with silhouetted figures for normal, overweight, and obese categories on the left.
Waistlines are expanding in most countries, except for a skinny list of nations bucking the trend.
SARS-CoV-2 first emerged in humans in 2019. Despite much noise generated by lab leak proponents, the evidence indicates a natural origin.
An assortment of half-empty drinks in various plastic cups, some with ice and garnishes, is spread across a dark surface—a telltale sign of the previous night's hangover remedy attempts.
The hangover "cures" on the market don't work. A new hydrogel does.
Fluorescence microscopy image showing a close-up of cells in vibrant blue and green colors, with an arrow indicating a magnified section.
Cancers can’t develop without genetic mutations — or can they?
A spoonful of non-sugar sweeteners on a dual red and orange background, with sweetener grains scattered around the spoon.
Poor research can be worse than no research at all.
A person with a bandage on their arm after receiving an HPV vaccination, with a focus on a vial of the Gardasil vaccine.
More than 90% of sexually active men will be infected with human papillomavirus in their lifetime. The virus may reduce fertility.
Hands sifting through a collection of black and white photographs against an abstract artistic backdrop, each image reminiscent of treatments for Alzheimer's.
The sober reality behind the effectiveness of two new drugs touted as Alzheimer's breakthroughs: lecanemab and donanemab.
A machine is moving down a conveyor belt in a warehouse.
Britain is profiling the genes, health and lifestyles of its citizens and handing the results to scientists across the world.
A group of people holding signs that say we demand voting rights now.
There is a cross-country correlation between democracy and health. Is there good evidence to suggest it is causal?
A man in a blue shirt is holding his neck in front of a laptop, possibly experiencing inflammation.
Western societies seem to be getting inflammation achingly wrong.
An image of an mri showing a brain.
Could subfertility be an under-explored factor in autism risk?