Word: cortisol
(lookup in dictionary)
(lookup stats)
Dates: during 1990-1999
Sort By: most recent first
(reverse)
BRAIN STRAIN Feel like you can't think straight when you're stressed out? You're probably right. Researchers who injected volunteers with cortisol--a hormone secreted during stress--report that those who received the highest doses for the longest period (four days) had the most trouble recalling a story they had just been told. There is a bright spot: a week after the hormone injections stopped, memory was completely restored...
BABY BLUES Postpartum depression is no fun for Mom, but scientists say it's pretty bad for infants too. A new report shows that depressed mothers and their newborns both have high levels of the stress hormone cortisol and that an infant's cortisol level remains high for months--even after Mom's level returns to normal...
...Performance tests are a math arithmetic test, at least once an hour...Most subjects, we collect urine samples from. We tested for blood levels of cortisol and melatonin...during a constant routine we take blood more than once an hour," he says...
What isn't natural is going crazy--for sadness to linger on into debilitating depression, for anxiety to grow chronic and paralyzing. These are largely diseases of modernity. When researchers examined rural villagers in Samoa, they discovered what were by Western standards extraordinarily low levels of cortisol, a biochemical by-product of anxiety. And when a Western anthropologist tried to study depression among the Kaluli of New Guinea, he couldn't find...
...reason for the correlation between narrow face width and shyness is unclear. High levels of the stress hormone cortisol may affect both timidity and facial shape, Arcus said. Stress to the fetus in the maternal uterine and hereditary factors are other potential causes...