Study reveals women who gave birth to girls had higher levels of cortisol in hair samples in the weeks before and at the point of conception.
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.
Cortisol levels are higher in women who give birth during winter months. The findings shed light on why mental health disorders are more common in those born during colder seasons.
A new Psychopharmacology study adds to evidence that chronic cannabis use is associated with reduced stress reactivity. Researchers say cannabis could be beneficial in conferring resilience to stress, especially in those with heightened emotional reactivity to stressful situations.
Researchers say those over 60 are better at predicting stressful events at home than younger people. However, younger people are better at utilizing these predictions to minimize the adverse impact of stress.
Cortisol functions differently in police officers who have experienced extremely stressful situations while at work. The disturbances to regular cortisol function may leave them more vulnerable to diseases, including cardiovascular disease and diabetes, researchers report.
Many people claim meditation helps to relieve their daily stresses. A new study provides objective evidence which supports the claims. Researchers found cortisol levels from hair samples decreased by 25% following a six-month meditation training program.