Probiotics in yogurt stimulate healthy digestive function, and help produce vitamin B12 and K. Strains of healthy bacteria added to yogurt and kefir include Lactobacillus bulgaricus, Streptococcus thermophiles, Lactobacillus acidophilus, Lactobacillus casei and Bifidus.
A nuclear family, elementary family or conjugal family is a family group consisting of two parents and their children. It is in contrast to a single-parent family, to the larger extended family, and to a family with more than two parents. Nuclear families typically center on a married couple; the nuclear family may have any number of children. There are differences in definition among observers; some definitions allow only biological children that are full-blood siblings, but others allow for a stepparent and any mix of dependent children including stepchildren and adopted children.
Family structure in the United States. The traditional family structure in the United States is considered a family support system involving two married individuals providing care and stability for their biological offspring. However, this two-parent, nuclear family has become less prevalent, and alternative family forms have become more common. The family is created at birth and establishes ties across generations. Those generations, the extended family of aunts, uncles, grandparents, and cousins, can hold significant emotional and