Physical activity among African American and Latino middle school girls: consistent beliefs, expectations, and experiences across two sites.

Physical inactivity is a major public health concern. Low levels of physical activity are reported in many subgroups of women including adolescent girls. More data are needed to better understand factors related to physical activity participation in adolescent girls.

Prolactin binding sites in the adrenal glands of mink (Mustela vison).

1. The purpose of this study was to determine if the mink adrenal gland might be a target organ for prolactin by establishing whether or not binding sites for the hormone exist in adrenal cell membranes. 2.