Your Baby's Brain Doubles in One Year #Shorts

Added: 2026-05-07

[00:00:00]Your baby's brain doubles in size during its first year of life. Birth, a baby's brain weighs about 400 g. By 12 months, 800 g.

[00:00:09]But, here's the number that matters. In that same year, the brain forms 1 million new neural connections [music] every single second. That's not even the crazy part. The brain is twice as active during infancy as it is in adulthood.

[00:00:20][music] Every face, sound, and smell is permanently etching a physical structure into [music] their brain tissue. The experiences you give them in year one are literally building the organ they think with forever. It doubles in a year. It will never grow this fast again. Subscribe for more such content.

[00:00:36]We post these facts every day.