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.
The second group includes nuclear family, which consists of parents and their child or children. They don't want or have to live apart from the grandparents or the other relatives. This type of family can be arranged the best type in modern life. Life as a member of a nuclear family has its own advantages as well as disadvantages.