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Comics

She saw the obesity epidemic coming. Then an unexpected finding mired her in controversy.

Katherine Flegal was a scientist who found herself crunching numbers for the government, until one day her analyses set off a firestorm. What does she make of her decades as a woman in public health research?

The invention of incarceration

Prisons have been controversial since their beginnings in the late 1700s — why do they keep failing to live up to expectations?

Soda taxes can’t reverse the obesity epidemic

OPINION: They might be able to help, but only if well-designed and in combination with other policies

Sounding the alarm: How noise hurts the heart

Loud road and air traffic has been linked to a greater risk of high blood pressure, heart attacks and strokes. Scientists are uncovering new details about how what you hear stresses the cardiovascular system.

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 baby brain: Learning in leaps and bounds

VIDEO: Learn how the baby brain changes from gestation to toddlerhood, and what parents, teachers and policymakers can do to ensure kids are set up for success

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?

Zooming in on the brains of babies

New tools are helping neuroscientists investigate why early life is such a crucial time for neural development

Vaccinating the world against Covid-19

Lower-income countries haven’t gotten an equal share of lifesaving coronavirus vaccines. Older, more familiar vaccine technologies may hold the key to more equitable use, says Maria Elena Bottazzi.

Tackling the growing problem of overmedication

Polypharmacy — taking five or more meds at a time — leads to side effects, unnecessary hospitalizations and premature deaths. Researchers and pharmacists are seeking solutions to this serious public health problem that disproportionately affects older adults.

Monitoring our health with smartwatches

VIDEO: Wearable devices are increasingly used for tracking health data and identifying problems. Learn from health researchers about exploring the promise and pitfalls of personal tech.

I tested positive for Covid-19 antibodies — what now?

As immunologists struggle to understand the immune response, psychologists want to know how infected people will think and behave after they recover

Dealing with rats, and their health, in America’s ‘rattiest’ city

OPINION: A study in Chicago found that rodents surviving poisoning are more likely to carry disease. Good pest control needs to take such things into account.

Does online opioid treatment work?

The Covid-19 pandemic brought a sudden shift to virtual health care. That has increased access — and possibly outcomes, too — for patients with opioid use disorder.

Getting a Covid-19 vaccine — quickly and safely

Researchers around the globe are working with unprecedented speed to find the vaccines we need to find our way through the pandemic. What’s the bar for safety and effectiveness?

Pandemic psychology: Nothing new under the Sun

OPINION: Our behavior during Covid-19 echoes that of individuals, societies and governments during past plagues. We can and should do better.

Sex, immunity and the brain

Differences between the immune systems of males and females — in particular, ones involving cells called microglia — might help explain why the risk for conditions such as autism and Alzheimer’s varies between the sexes

The quest for better baby formula

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

How racism in early life can affect long-term health

OPINION: Excessive adversity activates biological reactions that can lead to lifelong problems in physical and mental wellbeing

Matching meals to metabolism

Genes, microbes and other factors govern how each person’s body processes nutrients. Understanding the connections could help optimize diets — and health.

Studying poverty through a child’s eyes

Research on early-life adversity should pay more attention to the perspective of children themselves

Behind bars: The invention of mass incarceration

VIDEO: In the US today, prisons are an entrenched part of the criminal justice system, yet they are a relatively modern way of dealing with crime. How have society’s attitudes toward punishment shifted over time and why does it matter? Join us for a free online event on Wednesday, March 23.

Searching for a better treatment for eating disorders

Cognitive behavioral therapy is proving to work well, but only for some patients. Scientists are seeking new innovations to help people grappling with the pervasive and often-hidden problems of anorexia, bulimia and binge eating.

Salmonella: Why it’s a chicken and egg thing

Eliminating this food-poisoning bacterium from poultry is tricky — not least because rapid, precise tests are still unavailable. Researchers are looking at vaccines, probiotics, prebiotics and even essential oils as ways to reduce contamination on the farm.

America is failing women’s health

OPINION: Systemic inequity means women in the US die younger and suffer more than they should. It’s time for health for all.

Coronavirus evolving: How mutations arise and new variants emerge

COMIC: As it spreads throughout the world, the virus that causes Covid-19 has been changing. Scientists are tracking those changes, hoping to stay one step ahead of worrisome strains.

This myth about guns is killing us

OPINION: The idea that gun violence prevention research is at odds with gun rights is just not true

Medications for opioid use disorder — MOUD — and adolescents

Treatment with drugs such as buprenorphine, methadone and naltrexone is deemed the gold standard for youth with opioid addictions. Why isn’t it used more often?

What can cities do to survive extreme heat?

Urban heat waves are getting worse, but better data and timely government action could make them less deadly

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.

The race against radon

Scientists are working to map out the risks of the permafrost thaw, which could expose millions of people to the invisible cancer-causing gas

How antidepressants changed ideas about depression

PODCAST: Serendipitous discoveries led to drugs like Prozac and to new insights into the physical basis of this debilitating disorder. But scientists continue to search for deeper understandings and therapies that will bring relief to those who still struggle. (Season 2, Episode 6)

Targeting the racial disparity in kidney disease

Some people of West African descent face a higher risk of renal failure. New drugs based on gene research may help right the ship — if they can reach everyone who needs them.

A path to Covid-19 vaccine equity

VIDEO: When can the people who still need a Covid-19 vaccine expect to get one? Delve into the supply, distribution and political issues delaying global access to a lifesaving, economy-rescuing marvel.

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.

Pandemic puts all eyes on public health

Covid-19 has exposed the weak spots of the US public health system — and that presents an opportunity, says an epidemiologist, for the nation to recognize the problems and act to fix them

How researchers are making do in the time of Covid

The coronavirus pandemic has shuttered labs and sidelined scientists all over the world. Here’s a look at how some of them have coped.

The great sleep divide

Sleep deficits are robbing poor people and racial minorities of health and earning power. What can be done?

Understanding the sudden rise of type 2 diabetes in children

The metabolic disorder was long known as a disease of adulthood. Now, it’s spiking in kids and teens, with worrisome consequences.

How climate change threatens eye health

Cataracts, pink eye and other ocular disorders are linked to heat, air pollution and higher UV exposure

What does it mean to have prediabetes?

It’s complicated: Prediabetes has multiple definitions and there may be different subtypes. But for many people who develop it, changes in lifestyle drastically lower the risk of progressing to diabetes.

Should you take vitamin D? Here’s the science

Some people take too much, and too many get too little. Experts explain who needs D supplements, and why.

Genes and heart disease: Finally making the link

Polygenic risk scores — a patient’s chance, based on tiny DNA variants, of developing cardiovascular disease, breast cancer and more — are coming to clinics. But there are kinks to iron out and accuracy remains an issue.

The tussle over cigarette warning labels, and the hazy future of vaping

Regulatory hurdles, industry objections and legal fights have gone on for decades over traditional tobacco. What’s in store for the next generation of smoking?

The ones who need little sleep

Short sleepers cruise by on four to six hours a night and don’t seem to suffer ill effects. Turns out they’re genetically built to require less sleep than the rest of us.

The great green building makeover

Getting our homes and workplaces to be energy efficient has major benefits — but not when it is done one window at a time. Here’s why deep retrofits and biomaterials are key to more sustainable living.

A devastating nerve disease stalks a mountain village

Neurologists have grappled with a cluster of amyotrophic lateral sclerosis cases in France, where a fondness for a toxic wild mushroom may hold the answer

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

Evolution of the US public health system

TIMELINE: From colonial efforts to control smallpox outbreaks to antimalarial campaigns targeting mosquitoes, the American effort grew for centuries. But cutbacks have weakened it in the past decades. 

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