As diagnoses of A.D.H.D. and prescriptions for medications hit new record highs, scientists who study the condition are wrestling with some fundamental questions about the way we define and treat it. More than 15 percent of American adolescents have been diagnosed with A.D.H.D., according to the Centers for Disease Control and Prevention, including 23 percent…
Robert F. Kennedy Jr. has spoken of an “existential threat” that he said can destroy the nation. “We have the highest chronic disease burden of any country in the world,” Mr. Kennedy said at a hearing in January before the Senate confirmed him as the secretary of Health and Human Services. And on Monday he…
Cancer researchers examining the use of artificial intelligence to detect early signs of breast cancer. Pediatricians tracking the long-term health of children born to mothers infected with the coronavirus during pregnancy. Scientists searching for links between diabetes and dementia. All these projects at Columbia University were paid for with federal research grants that were abruptly…
