Scientists discovered years ago that the hypothalamus—which helps to manage body temperature, hunger, sex drive, sleep and more—includes neurons that express the protein opsin 3 (OPN3).

Scientists discovered years ago that the hypothalamus - which helps to manage body temperature, hunger, sex drive, sleep and more - includes neurons that express the protein opsin 3 (OPN3).

A recent study by researchers at Brown and other institutions found that suppressing the protein opsin 3 in mice can reduce food consumption. Their work has sparked discussions about the possibility ...