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..
The average generation is the average age of parents at the time of birth of their children. When life span increases, so does the average length of generations.