EditorialDr. Marlena Fejzo, a faculty researcher in the department of obstetrics and gynecology at the University of Southern California Keck School of Medicine, at one of her labs in Los Angeles on March 3, 2023. (Maggie Shannon/The New York Times)
EditorialDr. Marlena Fejzo, a faculty researcher in the department of obstetrics and gynecology at the University of Southern California Keck School of Medicine, at one of her labs in Los Angeles on March 3, 2023. (Maggie Shannon/The New York Times)
EditorialDr. Marlena Fejzo, a faculty researcher in the department of obstetrics and gynecology at the University of Southern California Keck School of Medicine, at one of her labs in Los Angeles on March 3, 2023. (Maggie Shannon/The New York Times)
EditorialDr. Pranesh Chakraborty, a pediatrician at the Children's Hospital of Eastern Ontario and a specialist in inherited metabolic disorders, in Ottawa, Sept. 8, 2022. (Jessica Deeks/The New York Times)