This week I kept circling the same small, uncomfortable idea: how easily a confident voice talks us out of our own judgment. It has been on my mind because so much of health news arrives dressed in fluency, and fluency is not the same thing as truth. We are wired to trust the thing that explains itself smoothly, and that instinct is exactly what gets us into trouble.

What stayed with me was a study where people were handed an AI that read skin conditions. The doctors mostly ignored its bad advice. Everyone else did the opposite, trusting it more the better it talked. The people with the least protection were the ones the smooth talk reached first. That is not a technology problem. That is a human one, and it is old.

So I found myself grateful, oddly, for a scientist this week who simply admitted he had been wrong, out loud, about a question he had chased for twenty-five years. No polish. No press release. Just a man conceding the evidence had not shown up. I trust that voice far more than the one that never stumbles.


Autoimmune & Inflammation

The Body’s Own Brake on Inflammation: Mapped in 2015, Still Not in a Pill
A kinase called MST4 rides the brake on TRAF6, the protein that lets inflammation spiral, doing gently from inside the cell what broad autoimmune drugs force from the outside. Researchers mapped it in 2015. No pill uses it yet.

A Map of 1.1 Million Lung Immune Cells Finds the Genetic Risk for Autoimmune Disease in Tissue, Not Blood
Researchers at La Jolla mapped genetic activity in 1.1 million lung immune cells and found about 1,000 genes whose activity is tuned by disease-risk variants only inside tissue, plus 1,700 that read differently in women than in men.

Investigations

Arkansas Cut 18,000 Eligible People From Medicaid Over Paperwork, and the 2027 Fix Is AI Its Own Authors Say Will Reproduce the Bias
A federal work requirement hits ACA Medicaid on January 1, 2027. Health-policy academics propose using AI to verify, screen, and manage the rollout, and the paper’s lead author admits the system will “100% reproduce” the biases baked into the data.

MIT Put an AI Skin Doctor in Front of 776 People. Its Friendliest Feature Fooled the Ones Who Needed Help Most.
623 lay people and 153 doctors used the same AI to read skin conditions. The doctors shrugged off its bad advice. Everyone else trusted it more the more fluently it explained itself.

Drugs & FDA

The FDA Twice Called This Melanoma Trial Uninterpretable. Then It Approved the Drug, at $450,000 a Course.
Federal reviewers rejected Replimune’s melanoma therapy twice, faulting a single-arm trial they called not adequate and well-controlled and its results uninterpretable. No new controlled data ever answered them. After a 10-3 advisory vote, the FDA approved it anyway, at $450,000 a course.

Gilead Priced Its Near-Perfect HIV Shot Out of the Countries Where the Virus Is Spreading Fastest
Lenacapavir drove new HIV infections to nearly zero across two Gilead trials and a year-long extension. Gilead lists it at $28,218 a year in America; researchers estimate generics could be made for as little as $25, and the fastest-growing epidemics were left off the cheap-generic map.

Cancer

The Cancer Trials That Buried Vitamin C Never Put It in a Vein
Mayo’s famous trials gave advanced cancer patients vitamin C by mouth and found nothing. A randomized trial that delivered it by IV, at a dose pills cannot reach, doubled survival in metastatic pancreatic cancer.

Chemo-Surviving Ovarian Cancer Cells Release Fructose to Loosen the Tumor Next Door
The same cholesterol-starving mechanism that loosens tumor cells implicates statins, the pills 39 million Americans take, yet the researchers who found it say keep taking them anyway.

Infectious Disease

Mexican Jalapeños Sickened 1,400 Americans in 2008. Eighteen Years Later, a Different Farm and the Same Import Gap Did It Again.
Salmonella Javiana in jalapeños from Sinaloa has sickened 345 people across 27 states. It is the second time in eighteen years that imported Mexican peppers have done this, and the FDA still physically inspects only about 1 to 2 percent of the food crossing the border.

The Licensed Ebola Vaccine Was Never Proven to Stop the Strain Now Killing Congo
Bundibugyo virus has driven the fastest-growing Ebola outbreak on record, with 1,707 deaths across eastern Congo and nearly 90 percent of cases in Ituri, and the WHO’s own experts say the one licensed Ebola vaccine should not be used against it.

Metabolic & Weight

They Gave PTSD Patients THC Drops at Bedtime. More Than a Third Stopped Having Nightmares Entirely.
Dronabinol beat placebo on the nightmare symptom the VA’s longtime standby flunked, and the company that sells dronabinol helped fund the trial that found it worked.

The Fat Rebound Pediatricians Watch For at Age Six: Measure the Waist, and It Turns Out to Be Muscle and Bone
Waist-to-height ratio tracks body fat with about 90 percent accuracy. In 2,410 American kids it kept falling straight through the age when BMI says the fat comes roaring back.

Brain & Aging

Chemists Cracked Unsorted Plastic Into Hydrogen With Lye, and Trapped Three-Quarters of the Carbon Instead of Torching It
Most plastic never gets recycled. It gets burned or buried, and polyethylene keeps turning up in human brain tissue. A UCLA and Ewha team cracked mixed, unsorted trash into more than 90 percent pure hydrogen at low heat and trapped 75 percent of the carbon instead of letting it escape.

Christof Koch Bet a Case of Wine That Science Would Find Consciousness in the Brain by 2023. He Lost.
At a symposium in Portugal, the neuroscientist who spent 25 years hunting consciousness inside the brain conceded the field’s central promise is still unpaid, and floated that consciousness might be fundamental to reality rather than manufactured by neurons.

Nutrition & Food

Cancer Drugs Starve Tumors of Arginine. A Rockefeller Lab Says the Immune System May Need It to See Them.
Some cancer therapies deliberately strip arginine from the body to starve tumors. Rockefeller researchers found that in mice the same depletion can hide tumors, flu, and SARS-CoV-2 from the immune system.

They Doubled the Recommended Protein This Year. 350 Studies Say That’s Backwards for Sedentary Adults.
Federal guidance now tells you to eat nearly twice the protein it used to. A University of Wisconsin review of more than 350 studies argues that for people who don’t train hard, the extra may be speeding up the aging they’re trying to outrun.