This large-scale study examined objective sleep data from 88,461 adults and linked 172 diseases to distinct sleep traits. Nearly half of these associations were related to sleep regularity alone. The study also questioned the assumed risks of long sleep, attributing prior findings to subjective misreporting. The results offer strong evidence for refining sleep health guidelines and targeting sleep interventions more effectively.

USC scientists have developed a wearable system that enables more natural and emotionally engaging interactions in shared digital spaces, opening new possibilities for remote work, education, health care and beyond.

Researchers have demonstrated a novel vaccine delivery method in an animal model, using dental floss to introduce vaccine via the tissue between the teeth and gums. The testing found that the new technique stimulates the production of antibodies in mucosal surfaces, such as the lining of the nose and lungs.