Human reproductive ecology to aid infant survival and growth. Lactational strategies vary cross-culturally, but can typically be defined by sibling sets and sex ratios, frequency of nursing, entire lactational duration, and milk composition. Milk is composed of my bioconstituents, but only a few will be outlined here. In the first days of puerperium, the first milk is thick and yellowish, also called colostrum. For weeks after that, mature milk is expressed and it has been shown that fetal-mammary gland signaling occurs even before birth in determining milk type and concentrations based on the fetus sex. Colostrum plays an important role in establishing the
A Band Called David A Band Called David a band called David was a group of musicians who provided the instrumental support from 1974 until 1988 for the 2nd Chapter of Acts, a Contemporary Christian music group. The members of the band, without a name, played informally together and attended The Church on the Way in Van Nuys, California, where they met 2nd Chapter of Acts, who also attended there. They chose their name because of a sermon by Pastor Jack W. Hayford describing David as a man after God's heart, as seeking God's heart was an important motivation of the members of the