Your amazing child: 'Wow!'-worthy development facts | BabyCenter
- Young salts. Though your baby can detect sweet, bitter, and sour tastes right from birth, she can't taste salt until she's 4 months old. This is when sodium-sensitive receptor proteins begin to emerge in the taste buds. The ability to taste salt may be related to the development of the kidneys, says neuroscientist Eliot, which start to use sodium when your baby is about 4 months old. This appears to be hardwired in the child development process and totally unrelated to the volume of Cheetos you consumed while pregnant.
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