Single gene controls jet lag

Researchers discover a master gene responsible for sleep and wake cycles, offering hope for a drug that could help reset sleep

Testosterone in healthy men increases their brains’ response to threat

"We were able to show for the first time that increasing levels of testosterone within the normal physiological range can have a profound effect on brain circuits that are involved in threat-processing and human aggression," said Justin Carré, Assistant Professor at Nipissing University.