Aging is particularly harsh on the hippocampus — the brain region responsible for learning and memory.

Now, researchers at UC San Francisco have identified a protein that’s at the center of this decline. 

It’s less than six months before Australia’s social media age restrictions kick in. But while the onus is on social media platforms to prevent underage access, child protection experts at the University of South Australia say the conversation about online safety doesn’t stop there. UniSA’s Associate Professor Lesley-Anne Ey says parents and schools must continue online safety conversations, so children can navigate the digital world safely and responsibly – no matter what their age.