These things are critical to the baby's development, and you simply must do them - voila! health. Movement, sensation and communication - come and learn what your baby needs and how all of this is related to the mature person he will be.
Similar to a building that rests on strong and solid foundations, this is how we would like to give the baby the experiences that will be the fertile ground for good development. Each baby has different developmental potential, as well as different strengths and weaknesses.