According to Epicurus, should humans choose every pleasure?

What are the benefits of intensive early childhood educational programs, such as Head Start? Are all of the benefits apparent at a young age, or are some more apparent at later ages? Are there any limitations? What factors may prevent a child who could benefit from Head Start from taking part in the program? Should early childhood educational programs be expanded to give all preschoolers the opportunity to participate, regardless of income level? Why or why not?