1 Most babies do well on cow's milk formula. Some babies, however â such as those allergic to the proteins in cow's milk â need other types of infant formula.  Soy-based formulas. Soy-based formulas can be useful if you want to exclude animal proteins from your child's diet.
A generation is all of the people born and living at about the same time, regarded collectively.. It can also be described as, the average period, generally considered to be about thirty years, during which children are born and grow up, become adults, and begin to have children of their own..
A familial generation is a group of living beings constituting a single step in the line of descent from an ancestor. In developed nations the average familial generation length is in the high 20s and has even reached 30 years in some nations.