Higher blood levels of one insect-killing chemical were linked to rising cholesterol over time, but cause and effect remain unclear.
Researchers measured seven chemicals called pyrethroids, a widely used type of insect killer. They studied
Editing a liver gene lowered cholesterol in mice, but this study did not test the approach in people.
The study tested a precise way to change a gene’s instructions. Researchers targeted Asgr1, a gene that makes a protein found in the live
