The neurotransmitter dopamine influences the activity of a wide variety of brain areas. A deficiency of this substance can have drastic consequences: The death of dopamine-producing nerve cells in the ...

The evolution of biomedical science can be appreciated through studies of hemoglobin, the oxygen-carrying protein in red cells. Before molecular cloning, the geneticist Arno Motulsky noted, “Many ...

Doctors who treated patients with sickle cell disease who received an infusion of gene-edited treatment have called it "transformative" for those who live with a chronic condition. The technique calls ...