See -https://microwavenews.com/children.adults.html
here's a non-normalized picture.
https://ehtrust.org/new-study-finds-infant-toddler-brains-absorb-microwave-radiation-wireless-phones/
Due to the ultra low wavelengths of 5G (up to 100GHz), the dangers to DNA damage are much higher than microwave. Hence the heightened dangers.