Health

In the 1980s, when government lagged in its response to the disease, he solicited private support for prevention and treatment.

By Sam Roberts

Scientists cannot say for certain, but new research suggests that different people’s brains respond similarly when looking at a particular hue.

By Kenneth Chang

He started fighting wildfires as a teenager. After inhaling smoke on the front lines for six seasons, he faced an impossible choice.

By Hannah Dreier

Scammers are using A.I. tools to make it look as if medical professionals are promoting dubious health care products.

By Steven Lee Myers, Alice Callahan and Teddy Rosenbluth

Gov. Kathy Hochul of New York plans to authorize pharmacists to provide the vaccine to almost anyone who wants it without a prescription.

By Joseph Goldstein

A three-hour hearing before the Senate Finance Committee revealed that the health secretary was on uncertain ground even with some Republicans who voted to confirm him.

By Sheryl Gay Stolberg and Megan Mineiro

Neurologists are exploring medications that would help the brain recover after a stroke or traumatic injury.

By Rachel E. Gross

The health secretary fired the original committee members in June, replacing them with some who have been critical of vaccines.

By Apoorva Mandavilli, Dani Blum and Christina Jewett

California, Oregon and Washington said they would work together to review scientific data, saying the C.D.C. could no longer be trusted. But Florida said it would abolish all vaccine mandates.

By Emily Baumgaertner Nunn

In the world of presidential health, distrust and speculation run so rampant that even Mr. Trump’s online assurance that he was fine was immediately explained away as part of a cover-up.

By Katie Rogers

In a post on Truth Social, the president suggested that the C.D.C. was being “ripped apart” over a question that was answered long ago.

By Apoorva Mandavilli and Carl Zimmer

Changes in screening recommendations over a decade ago may have inadvertently resulted in later diagnosis of the most common cancer in men, a new study has found.

By Roni Caryn Rabin

Authoritarians have long feared and suppressed science as a rival for social influence. Experts see President Trump as borrowing some of their tactics.

By William J. Broad

After she lost her son to an overdose, Serena Fallon went on a quest to hold someone accountable for his death.

By Michael Corkery and Dave Sanders

Robert F. Kennedy Jr.’s assault may have dealt lasting damage to the agency, experts fear, with harsh consequences for public health.

By Apoorva Mandavilli

Patients are flooding medical practices with reports of the telltale signs of Covid and questions about whether they will be able to get vaccinated.

By Samantha Latson

A network dedicated to early phase trials of treatments for children with brain cancer will be phased out.

By Nina Agrawal

State laws and regulatory chaos are driving the country’s largest pharmacy chains to require prescriptions or hold back altogether unless a C.D.C. panel acts.

By Maggie Astor and Dani Blum

After six months of turmoil, the loss of the new director and a round of high-profile resignations mark a new low, some employees said.

By Apoorva Mandavilli

The director, Susan Monarez, declined to fire agency leaders or to accept all recommendations from a vaccine advisory panel made over by Mr. Kennedy, according to people with knowledge of the events.

By Sheryl Gay Stolberg, Apoorva Mandavilli and Christina Jewett

A pilot program in six states will use a tactic employed by private insurers that has been heavily criticized for delaying and denying medical care.

By Reed Abelson and Teddy Rosenbluth

Susan Monarez was said to have refused to adopt Health Secretary Robert F. Kennedy Jr.’s stance on vaccination policy. A lawyer for Dr. Monarez said the firing was “legally deficient.”

By Sheryl Gay Stolberg, Apoorva Mandavilli and Christina Jewett

The agency’s fall recommendations underscore the goals of Health Secretary Robert F. Kennedy Jr. to limit access to the vaccines, which he has long opposed.

By Christina Jewett and Jacey Fortin

A new study reveals some of the crucial molecular steps on the path to bipedalism.

By Carl Zimmer

The patient had traveled to Central America, where an outbreak of myiasis, an infection by screwworm larvae, has been ravaging livestock.

By Alexa Robles-Gil

Family estrangement can bring up big, difficult emotions, and it’s not always about parents and children.

By Catherine Pearson

San Francisco, Philadelphia and others are retreating from “harm reduction” strategies that have helped reduce deaths but which critics, including Trump, say have contributed to pervasive public drug use.

By Jan Hoffman

Health issues prevented the women, who were in their 80s, from climbing out, officials said. They became unresponsive after overheating and developing hyperthermia.

By Adeel Hassan

President Trump’s planned pharmaceutical tariffs threaten to hit many of the most common and well-known drugs that Americans take.

By Rebecca Robbins and Jonathan Corum

Panel members have been given a broad mandate, despite pleas from C.D.C. employees asking Robert F. Kennedy Jr. to stop spreading misinformation.

By Christina Jewett

It is not just a scourge of the Middle Ages. Plague still exists, though it is rare. Here’s what to look for and how to protect yourself.

By Emily Baumgaertner Nunn

For some cultures, the practice of cranial deformation may have offered individuals a path to privilege later in their lives.

By Franz Lidz

The conflict that has put rebels in control of much of the east of the country has left victims with no legal recourse and dismantled many of the clinics that offered care.

By Stephanie Nolen

Lawmakers allocated $6 billion this fiscal year for PEPFAR, the H.I.V. prevention and treatment program, but the administration has indicated it will release less than half of that.

By Stephanie Nolen

The court’s order was fractured, with the justices splitting over whether individual cancellations and the policy behind them could be challenged in a federal trial court.

By Adam Liptak

These coaches help professional athletes achieve their goals through mental preparation — and they could help you, too.

By Christina Caron

A small, preliminary study found that marathoners were much more likely to have precancerous growths. Experts aren’t sure why.

By Roni Caryn Rabin

The administration has pledged to end support for Housing First, the approach behind the V.A.’s greatest housing success story.

By Ellen Barry

Chikungunya, which can disable victims for years, is spreading rapidly, including in China, France and other places that have not seen major outbreaks before.

By Stephanie Nolen

Medicaid pays for most of the in-home care that lets disabled Americans live independently. Will coming cuts put that care in jeopardy?

By Marcela Valdes

Simply giving money to poor families at certain times reduced deaths among young children by nearly half, a new study found.

By Apoorva Mandavilli

The U.S. Forest Service has been sending out crews to fight fires without the recommended masks for decades. Hannah Dreier, a New York Times investigative reporter, reveals the dangerous and sometimes deadly repercussions of sending firefighters into the field unprotected.

By Hannah Dreier, Christina Thornell, Gabriel Blanco, Coleman Lowndes, Stephanie Swart, June Kim, Lauren McCarthy and Nikolay Nikolov

The U.S. Forest Service has fought decades of efforts to better protect its crews — sending them into smoke without masks or warnings about the risks.

By Hannah Dreier

While thousands of people are bitten by venomous snakes in the United States each year, deaths are uncommon, according to the authorities.

By Rylee Kirk

A draft of an upcoming White House report on children’s health was not as harsh toward the agriculture industry as some of Robert F. Kennedy Jr.’s allies had hoped.

By Dani Blum, Benjamin Mueller and Alice Callahan

The dismantling of U.S.A.I.D. has disrupted the global supply chain that provides a therapeutic food, leaving thousands of malnourished children at risk of dying.

By Apoorva Mandavilli and Taiwo Aina

Oregon Health & Science University said the couple’s donation would be the largest single gift to a higher-learning institution in the United States.

By Neil Vigdor

Anti-vaccine groups had sought the revival of the task force.

By Apoorva Mandavilli

Manufacturing in Ireland has long helped many American drug companies pay lower taxes. But that strategy was designed for a world without President Trump’s tariffs.

By Rebecca Robbins

A guitarist in a death metal band was one of several people who found that personalized deep brain stimulation eased their pain and helped them reduce pain medication.

By Pam Belluck

International charities warned that, left unchecked, the disease’s spread might exacerbate similar outbreaks across the African region for weeks or months to come.

By Eve Sampson

In its campaign against “woke” science, the N.I.H. has closed down studies and programs focused on the gaps between racial and socioeconomic groups.

By Roni Caryn Rabin and Irena Hwang

The former Texas governor and Trump energy secretary has now dedicated his life to promoting the powerful psychedelic ibogaine.

By Robert Draper

The system for compensating people injured by vaccines needs significant reform. But the health secretary could alter it in ways that ultimately reduce vaccine access for everyone.

By Christina Jewett and Apoorva Mandavilli

As products like weed gummies proliferate, more children and teens are suffering symptoms including seizures and life-threatening breathing problems.

By Danielle Ivory, Julie Tate and Megan Twohey

Employees expressed horror at a shooting at the agency’s headquarters, and some said they viewed it as part of a pattern of threats and assaults on health workers.

By Apoorva Mandavilli

Young adults without jobs that provide insurance find that their options are limited and expensive. The problem is about to get worse.

By Elisabeth Rosenthal and Hannah Norman

The American and Mexican governments are exploring “all options” to battle a deadly parasite threatening cattle and wildlife.

By Linda Qiu and Alexa Robles-Gil

It’s a difficult rite of passage for young adults without job-based insurance. Here are some tips for getting started.

By Elisabeth Rosenthal

President Trump’s laissez-faire approach is notable, given that the development of the Covid vaccine was seen as one of his first term’s most notable achievements.

By Katie Rogers