According to researchers, marijuana use during pregnancy can result in premature birth and smaller babies with lower birth weight. Additionally, babies of mothers who smoked marijuana during pregnancy tend to be more irritable and easily frustrated in later infancy.
Adults who share a bed with their partners sleep better than those who sleep alone. Researchers found bed-sharing was associated with a lower risk of depression and stress, and improved quality of life and relationships. However, sharing a bed with a child was associated with more stress.
A naturally occurring molecule produced by the brain activates endocannabinoid receptors, protecting against stress by reducing anxiety-producing connections between the amygdala and the prefrontal cortex. The findings may help explain why people turn to marijuana when they feel anxious or stressed.
A new study reports maternal stress during pregnancy can increase the risk of female offspring developing mood disorders. Researchers reveal higher maternal cortisol levels during pregnancy were linked to alterations in newborns' functional brain connectivity in emotional processing areas.
Quarantine as a means to protect the public from health threats, such as the current Coronavirus outbreak, may have a lasting psychological impact on people. Being quarantined raises the risk for PTSD and other mental health disorders. However, it remains the safest option for those exposed to infection to prevent disease spread.
A new study reports cells damaged before birth may provide an increased risk of psychiatric disorders later in life.
Researchers identify an interspecies correlation between hair cortisol concentrations in humans and dogs during summer and winter months. The cortisol levels were not affected by the amount of activity the dog had during these periods. The study reveals a seasonal effect in higher cortisol levels between humans and animals, and human personality traits significantly affected the dog's level of stress. Findings suggest that dogs often mirror the stress levels of their owners.