Find out about DHA and why it’s important for brain development. Within the first 3 years of life 85% of brain growth has occurred. A baby's brain contains Omega-3 fat and most of that fat is DHA, an important building block of the brain. That's why DHA is important for your child early in life. Watch the video from Enfamil A+ for more information on DHA for brain development and Enfamil A+® Formula.