Fitness trackers are offering increasingly sophisticated data on your sleep, but could they be increasing sleep anxiety? Kate O'Halloran asks the experts.
Phototherapy is a safe, effective, noninvasive, inexpensive way of boosting cognition in dementia in new research that suggests it may be "one of the most promising" interventions for improving core symptoms of the disease.
Whether time flies by or drags, we tend to think that the subjective experience is due to our emotions. Two studies suggest that cardiac dynamics also play a role.