When the biotech company Humacyte designed a study to see if its lab-grown blood vessel…

A week after Donald J. Trump was inaugurated, a senior scientist at the National Institutes…

Robert F. Kennedy Jr., the nation’s health secretary, on Saturday instructed leaders of the nonprofit…

Late in February, as the Trump administration ramped up its quest to transform the federal…

Kitty Dukakis, an activist first lady and humanitarian, who overcame alcoholism and depression with the…

Joan Presky worries about dementia. Her mother lived with Alzheimer’s disease for 14 years, the…