Which anxiety disorder is equally common among men as among women and men in the U.S.?

What happens after damage to the suprachiasmatic nucleus itself? a. Light no longer resets the biological clock, but the animal continues generating a 24-hour rhythm. b. Animals' activity patterns become less consistent and no longer respond to light and dark cycles. c. Animals lose their biological rhythms of temperature, but keep other circadian rhythms

d. Animals begin to maintain a constant level of activity throughout the 24-hour day.

From infancy through adulthood, the need for sleep ____

a. ?decreases b. ?increases c. ?stays the same d. ?stays the same until adulthood, at which time it decreases