Health
Maybe It’s Not Just Aging. Maybe It’s Anemia.
Significant numbers of older people have the condition. Many find relief with an effective treatment that is being more widely prescribed.

John Robbins, Author of ‘Diet for a New America,’ Dies at 77
He walked away from his family’s hugely successful ice cream business to crusade for a plant-based diet and against cruelty to animals.

Kennedy’s New Advisers Rescind Recommendations for Some Flu Vaccines
Critics saw in the move the beginnings of a more restrictive approach to providing vaccines to Americans.

Kennedy’s New Advisers Promise Closer Scrutiny of Childhood Vaccines
The reconstituted C.D.C. panel will revisit the standard vaccination schedule. The former head of an anti-vaccine group is now a special federal employee.

Kennedy Withdraws U.S. Funding Pledge to International Vaccine Agency
Robert F. Kennedy Jr. claimed that the agency, Gavi, had “ignored the science” in immunizing children around the world.

Grand Jury Indicts Russian Scientist on Smuggling Charges
Kseniia Petrova, a Harvard researcher, was detained in February after failing to declare scientific samples she was carrying into the country.

N.I.H. Memo Pauses Cancellations of Medical Research Grants
The directive, in a memo issued Tuesday, came after two court rulings that questioned the Trump administration’s swift cuts to funding.

The Evolution of Trump’s Views on Foreign Aid
The administration has gutted agencies like U.S.A.I.D., and President Trump has denigrated their work as wasteful and rife with fraud. His views on humanitarian assistance have seesawed since he entered political life.

Promise of Victory Over H.I.V. Fades as U.S. Withdraws Support
A new drug that gives almost complete protection against the virus was to be administered across Africa this year. Now, much of the funding for that effort is gone.

The C.D.C.’s Vaccine Meeting: What to Watch For
Hints of a more skeptical approach to immunizations have already surfaced.

Cassidy, in Break With Kennedy, Calls for Vaccine Meeting Delay
The Senate health committee chairman said new members of a key advisory panel who were appointed by Robert F. Kennedy Jr. “lack experience.”

It’s About to Get Brutally Hot in New York City
Temperatures in Central Park this week could reach 100 degrees for the first time since 2012.

‘I Feel Like I’ve Been Lied To’: When a Measles Outbreak Hits Home
From a lone clinic in Texas to an entire school district in North Dakota, the virus is upending daily life and revealing a deeper crisis of belief.

People With Severe Diabetes Are Cured in Small Trial of New Drug
Most in a small group of patients receiving a stem cell-based infusion no longer needed insulin, but the drug may not suit those with more manageable type 1 diabetes.

Insurers Pledge to Ease Controversial Prior Approvals for Medical Care
Major companies had faced mounting pressure to stop denying or stalling authorization of coverage for treatments and prescriptions.

What Is Tapping, and Can It Really Improve Mental Health?
Proponents say that manually stimulating acupressure points can ease a variety of maladies.

How Black Lung Came Roaring Back to Coal Country
Once nearly eradicated, the “old man’s disease” is back and suffocating younger miners. Federal cuts risk putting a solution further out of reach.

Trump Travel Restrictions Bar Residents Needed at U.S. Hospitals
Limits on travel and visa appointments have delayed or prevented foreign doctors from entering the country for jobs set to begin in weeks.

Regulators Approve a Twice-Yearly Shot to Prevent H.I.V. Infection
The drug could change the course of the AIDS epidemic. But the Trump administration has gutted the programs that might have paid for it in low-income countries.

When Humans Learned to Live Everywhere
About 70,000 years ago in Africa, humans expanded into more extreme environments, a new study finds, setting the stage for our global migration.

Real Risk to Youth Mental Health Is ‘Addictive Use,’ Not Screen Time Alone, Study Finds
Researchers found children with highly addictive use of phones, video games or social media were two to three times as likely to have thoughts of suicide or to harm themselves.

Why a Vaccine Expert Left the C.D.C.: ‘Americans Are Going to Die’
Dr. Fiona Havers is influential among researchers who study immunizations. The wholesale dismissal of the agency’s scientific advisers crossed the line, she said.

How to Pack a Travel First-Aid Kit
Experts weigh in on what to bring for a healthy, stress-free trip.

South Africa Built a Medical Research Powerhouse. Trump Cuts Have Demolished It.
The budget cuts threaten global progress on everything from heart disease to H.I.V. — and could affect American drug companies, too.

Bat Cave Footage Offers Clues to How Viruses Leap Between Species
Video from a national park in Uganda depicted a parade of predatory species feeding on and dispersing fruit bats that are known natural reservoirs of infectious diseases.

Trump’s Cuts to N.I.H. Grants Focused on Minority Groups Are Illegal, Judge Rules
The judge accused the Trump administration of discriminating against racial minorities and L.G.B.T.Q. people and ordered the government to restore much of the funding.

Supreme Court to Hear Case on Subpoena to Anti-Abortion Pregnancy Centers
The question for the justices is whether the centers may pursue a First Amendment challenge to a state subpoena seeking donor information in federal court.

To Protest Budget Cuts, Young Scientists Try Letters to the Editor
Hundreds of graduate students are writing to their hometown newspapers to defend their research, as the Trump administration drastically reduces science funding.

Norma Swenson, an Author of ‘Our Bodies, Ourselves,’ Dies at 93
She was a proponent of natural childbirth when she joined the group that produced a candid guide to women’s health. It became a cultural touchstone and a global best seller.

Many Older People Embrace Vaccines. Research Is Proving Them Right.
Newer formulations are even more effective at preventing illnesses that commonly afflict seniors — perhaps even dementia.

Texas OK’s $50 Million for Ibogaine Research
The state’s governor signed legislation to allow clinical trials of a psychedelic drug that shows promise for veterans in treating addiction and post-traumatic stress disorder.

Kennedy’s New Vaccine Advisers Helped Lawyers Raise Doubts About Their Safety
Three of the health secretary’s picks to replace fired members of an influential panel that sets U.S. vaccine policies have filed statements in court flagging concerns about vaccines.
