This ad featuring then-actor Ronald Reagan is an example of industry advertising that made smoking so popular.
University of California San Francisco Tobacco Archives
Smoking rates are at their lowest, but it has been a long and expensive struggle. Promoters of cigarette smoking have included not only tobacco companies but advertisers and even the US government.
Babies should sleep on their backs, as this one is doing.
Hundreds – perhaps thousands – of infant deaths every year are preventable if parents make sure babies sleep in their own cribs, on their backs.
World War I soldiers in a trench. Trenches led to monotony, malnutrition and shellshock.
For many health professionals, daily practice increasingly resembles trench warfare, which took a grave toll on WWI's soldiers.
Floods of traffic can clog up an internet server and the wires connecting it to other systems.
The very first cyberattack clogged up the nascent internet, halting digital communications. Now much bigger, the internet is still largely open to – and suffering regularly from – similar attacks.
Squirrel Hill neighbors embrace, after hearing of the shootings at the Tree of Life synagogue, Oct. 27, 2018.
Keith Srakocic/AP Photo
Fred Rogers was not blind to evil, but he still taught love in the face of it. His real neighborhood under attack, his neighbors showed love and forgiveness that can teach and inspire us all.
An Atlanta hospital set up a mobile ER to deal with the large number of flu cases.
AP Photo/David Goldman
Part of the problem was a mismatch between the influenza strains circulating and the vaccine available. Here's how annual flu shots are formulated.
Warmer temperatures could lead to more zones of the country that make good breeding sites for mosquitoes.
Apichart Meesri / Shutterstock.com
Is our changing climate making regions of the US more suitable for ticks and mosquitoes that spread diseases? Or is the climate changing human physiology making us more vulnerable?
A farm in LaSalle County, Illinois.
Eddie J. Rodriquez/shutterstock.com
Conservative skeptics of climate change may support projects focused on 'resilience' – for example, preparing a community for future major weather events.
The U.S. and Australia can boost each other’s security.
The U.S. is not the only country worried about foreign influence over its elections. Australia is concerned too, and taking steps Americans could learn from.
A Mobius strip.
The inventor of the brain-teasing Möbius strip died 150 years ago, but his creation continues to spawn new ideas in mathematics.
Landscape of Grand Staircase-Escalante National Monument in southern Utah, one of the most abundant fossil fields in the world.
P. David Polly, 2018
Twenty-two years ago, President Clinton established Grand Staircase-Escalante National Monument for paleontological conservation. As the Trump administration shrinks its borders, that mission is jeopardized.
Michelle Obama hugs George W. Bush at the opening of the Smithsonian Museum of African American History and Culture on Sept. 24, 2016.
Pablo Martinez Monsivais/AP
A simple act of kindness between George Bush and Michelle Obama illuminates our need for friendship and well-being.
Other cultures view dementia differently. Could they help us be better caregivers?
More than 16 million people in the U.S. take care of people with dementia. Could we learn something from how other cultures view dementia as more of a social disease rather than a lonely one?
An attitude of gratitude may relieve stress, which in turn may lead to better health.
Most parents try to teach their children to feel grateful. Now, some therapists and doctors are encouraging people to focus on gratitude, as studies show that gratitude can be good for health.
Cyanobacteria filled the ancient oceans and used chlorophyll to harvest the sun’s energy.
Did you recently hear news that Earth's oldest pigments were hot pink? That's not quite right. When they were in living bacteria a billion years ago, they were performing photosynthesis – and green.
Medical social workers perform many tasks for patients, but the work is taking a high toll on them, leading to burnout and attrition.
Medical social workers coordinate care, an especially important job in complicated cases. Just as nurses and doctors are feeling burned out, these unsung heroes are feeling the burn, too. Here's why that's dangerous.
People who share potential misinformation on Twitter (in purple) rarely get to see corrections or fact-checking (in orange).
Shao et al.
Information on social media can be misleading because of biases in three places – the brain, society and algorithms. Scholars are developing ways to identify and display the effects of these biases.
Fred Rogers at a taping of his famous show on June 28, 1989.
Gene J. Puskar/AP File
As the documentary about 'Mister Rogers' Neighborhood' hits theaters, it's worth noting that Rogers' emphasis on kindness and love is proving to be very important to good health.
The power of players extends well beyond on-field actions.
AP Photo/Mark J. Terrill
NFL players, historically losers in power struggles with team owners, can retake control of the kneeling-protest issue if they use social media to connect with the public.
Suicide is more prevalent among doctors than any other profession. Burnout could be a reason.
Medicine leads the professions in suicides. Fixing the physician suicide problem requires a re-examination of medicine's "right stuff."