Teens with more than 300 Facebook friends have higher levels of the stress hormone cortisol, while those who act supportive of others on the social network have decreased cortisol levels, a new study reports.
According to a new study, African American youths who have elevated levels of anxiety as a result of every day struggles will overproduce cortisol as adults.
A new study links hypersexual disorder to hyperactive stress systems.
According to a new study, getting a good night's sleep buffer the impact of stress on kids' cortisol levels.
A new study reports that testing the saliva of healthy older people for cortisol levels could help identify those at risk for Alzheimer's disease.
A new study could help explain why stress often leads people to binge eat or relapse into addiction.
According to a new study, the amygdala has an inhibitory effect on cortisol during early development of nonhuman primates.