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Q&A

Watching Alzheimer’s in action

A look inside the brains of engineered mice suggests therapies might need to target two key proteins — tau and amyloid-beta — at the same time

Bypassing paralysis

By decoding brain activity with electrical implants, computers can help disabled people move a robotic arm — or their own

Break on through: How some viruses infect the placenta

A few rare viruses can reach the fetus when pregnant women are infected, with tragic result. As explored in this Q&A, researchers are figuring out how the placenta acts as protector and how some pathogens slip through.

Humanizing immunology

The field has long been more mice than men. New technologies and systems-based approaches with human cells may soon fill gaps in our understanding of autoimmune disease and health, Mark Davis says in a Q&A.

Unhealthy work: Why migrants are especially vulnerable to injury and death on the job

A mysterious kidney disease is just one of the many health risks faced by immigrant laborers. In a Q&A, occupational health expert Marc Schenker discusses the hazards and a few potential solutions.

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?

Why viruses deserve a better reputation

Sure they cause disease, but the microbes can be a help as well. Witness long-lasting pepper seeds, drought-resistant crop plants and even our own placentas.

Labor of love

Flipping the scientific thinking on our species’ “difficult childbirth”

Organs grown to order

Genetic advances may make it possible to grow transplantable tissues in other species. That could solve immunity and availability issues, but raises ethical concerns.

How to detect clandestine nuclear weapons programs

A “policy physicist” explores practical ways to sniff out uranium processing from afar

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

From academics to access, Harold Varmus reflects on the achievements and challenges in cancer research

The Nobel laureate and former NIH director talks about how far the field has come, where it should go and why some of the best discoveries in oncology still aren’t reaching patients who need them

Can marriage make you sick?

In general, it promotes health. But it might not if your relationship is troubled or your partner is ill. Here's why, and what can be done.

Balance, not carbs or fat, is the key to healthy eating

An expert’s view on a common-sense diet: Don’t fuss over details, and put more plants on the plate

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