Children were recently discovered to have been exposed to high levels of lead in Milwaukee schools — the latest episode in an ongoing toxic pandemic. This time, no help was forthcoming from the CDC.

In vitro fertilization is clearly a successful technology, although it remains experimental; the safety and efficacy of new methods and reagents can be difficult to assess. And “traditional ...

The author describes pronuclear transfer, a type of mitochondrial donation, which was made available to women with mitochondrial DNA disease in a reproductive care pathway implemented in Newcastle, ...

Sarcoidosis, a granulomatous disease that affects the lungs and other organs, has a variable course. Although spontaneous resolution of sarcoidosis occurs in some patients, half the patients with s ...

Children born to women who carry pathogenic variants in mitochondrial DNA (mtDNA) are at risk for a range of clinical syndromes collectively known as mtDNA disease. Mitochondrial donation by pronuc ...

AI mammography aids are being sold as additions to mammography screening, with direct-to-consumer marketing touting improved cancer-detection rates, despite a lack of evidence of clinical effective ...

A 68-year-old man with type 2 diabetes presented with a 3-year history of hardening of the skin on his neck and upper back.

Since the Columbine shooting, the gun problem in the United States has worsened, and the Supreme Court’s new interpretations of the Second Amendment don’t help. But there are some reasons for ...

When his mother is diagnosed with what medicine calls “heart failure,” an epidemiologist identifies harmful flaws in both the term and communication with patients and families.

To the Editor: In the phase 3 GRADUATE trials of gantenerumab for early Alzheimer’s disease reported by Bateman et al. (Nov. 16 issue),1 participants receiving gantenerumab had a greater ...

To the Editor: In the POPular PAUSE TAVI (Periprocedural Continuation versus Interruption of Oral Anticoagulant Drugs during Transcatheter Aortic Valve Implantation) trial, van Ginkel et al. (Jan ...

An 18-year-old woman presented with recurrent episodes of diarrhea associated with epigastric discomfort and bloating. Examination of the stool revealed trophozoites of the species Giardia lamblia.