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Learn what laughter means to your 4-month-old baby's development.

Communication and Social Development

At 4 months, your baby should be able to turn his head toward a noise and will do so often, as if looking for its source. In addition, he may start to laugh. While all milestones are incredibly rewarding, this one is particularly enjoyable for parents. Your infant's brain is developing and growing in new ways, resulting in heightened physical activity and social interaction. Continue to help him reach milestones by providing balanced nutrition and stimulating his cognitive development with interactive activities, such as engaging your baby in fun games to make him laugh. Make faces, tickle him, blow "raspberries" on his stomach - anything to prompt a positive reaction.

Why is Nutrition Important?

The brain and nervous system continue to develop until about the age of three. The best way to ensure positive cognitive and behavioural development is to meet all nutrient needs with natural (breast milk) or fortified foods (iron- and DHA-enriched infant formula such as Enfamil A+®).