Lisa M Jarvis

The H5N1 crisis at dairy farms shows that public health agencies have failed to absorb the lessons of Covid.

A new blood test reveals signs of the disease years before symptoms occur. It could change how MS is diagnosed, treated and studied.

Companies are vying to end the shortage in donated organs. The real winners will be the patients struggling to get off the wait-list.

The Supreme Court’s conservative justices seemed more interested in hypothetical scenarios than the reality staring them in the face.

Climate change is increasing the risk of deadly viruses — and making it too hot to properly wear personal protective equipment.

A wave of infections has become a summer tradition. But thanks to vaccines and previous exposure, hospitalizations aren’t rising in lockstep.

Parents can use tweens’ skin care obsession to help them think critically about TikTok influencers — and establish healthy dermatologic practices for life.

Thanks to the Supreme Court’s decision to do away with Chevron deference, scientists and doctors can be second-guessed by lawyers and judges.

A world without insulin shots is looking like less of a fantasy.

Too many women are struggling to get the health care they need -- and were struggling even before the Supreme Court's radical ruling in Dobbs.