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1932

Explained

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?

Do ‘workplace wellness’ programs work?

It depends on what you mean by a wellness program. Offerings by companies are all over the map, but most are skimpy and scattershot. It takes more than that to boost employees’ health or a company’s bottom line.

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.

The lasting anguish of moral injury

Psychologists are finding that moral code violations can leave an enduring mark — and may require new types of therapy

Five mysteries about breast milk

The little that we know about breastfeeding tells us a lot — imagine if we knew more

Managing pain in a time of opioid abuse

Other therapies, more training, a new mindset: Can doctors bring relief to patients without putting them at risk for addiction?

Measuring surgical quality

Not all surgeons are equally skilled with a scalpel. Doctors are developing new ways to test — and improve — operating room performance.

The human factor in clean water

There are many cheap and effective ways to provide safe water to the world’s poor regions. But projects often fail due to inadequate planning, maintenance or persuasive power.

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?

Short-circuiting the suicide cascade

Psychologists are seeking better ways to cut the link between dire thoughts and fatal action. Among their strategies: individualized plans for pulling back from the brink, and limiting access to deadly means, especially guns.

In promoting health, when to tiptoe — and when to stomp?

Inform, incentivize, legislate: There’s a ladder of escalating approaches for changing citizens’ behavior — and nudges for every rung

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.

Sell-by dates | Things to Know

VIDEO: Time stamps on packaging prompt consumers to toss a lot of food, but what do they actually say about safety?

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?

Pig organs in people: The future of cross-species transplants

Can genetically modified animals help ease the shortage of organs? After years of research into xenotransplantation, the field is at a turning point — yet risks and ethical issues remain.

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

America the Unhealthy: Inequality kills

Smoking, poor diet, lack of exercise? Yes, but that’s not all. A researcher tells us what really hurts US life expectancy.

Profiling the perpetrators of past plagues

The ancient pathogens in old graves are as dead as the people they once infected. Still, they tell a vivid tale.

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