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Speaking of pandemics: The art and science of risk communication

Public health messages should be loud and clear, so that everyone listens and stays safe. But that’s easier said than done — especially with a case as complex as Covid-19.

Data viz experts explain Covid-19 graphics | Things to Know

VIDEO: Scientists break down what some popular visualizations of the pandemic can and cannot tell us

An old problem: How immune responses weaken with age

The body’s defenses lose flexibility and diversity over time, and protective responses to vaccines weaken as well. Scientists are working on ways to boost seniors’ protections against influenza, the novel coronavirus and other pathogens.

Digital disease surveillance: Tracking a pandemic

Social media posts and online searches may offer vital clues about the spread of influenza — and now Covid-19. But they also risk errors and threaten privacy.

Living with chronic illness: Why some cope and others don’t

What helps some people diagnosed with cancer, heart disease or diabetes stay relatively happy and healthy, while others are devastated? Psychologist Vicki Helgeson explains the traits and mindsets that can make the difference.

The global soda tax experiment

An increasing number of cities and countries have begun taxing sugary beverages. But can raising the price of these drinks really make a dent in obesity, diabetes and other ailments?

The quest for better baby formula

Replicating human milk is no easy feat — nor is separating the science from the hype

The next omics? Tracking a lifetime of exposures to better understand disease

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.

Curious cure: Human waste

Studies point to the life-saving record of fecal transplants for patients infected with C. diff, despite a recent death. Doctors are now testing the procedure for other conditions.