22 小时on MSN
How Young Is Too Young For Skincare? Dermatologists Sound Off On The Alarming Kiddie Craze.
Curry agrees that most teens and tweens don’t need to be using so many actives on their faces. He adds that the onus is on ...
ZME Science on MSN
Why Do Humans Have Baby Teeth and Adult Teeth?
Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while ...
A pediatric dentist and an anthropologist explain how baby teeth and adult teeth help humans chomp their food over a long ...
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