
By ANDREW JACOBS and MATT RICHTEL from NYT Health https://nyti.ms/2D5Kugj

The younger the age at vaccination, the more effective the vaccine, the findings showed.
The results show that the negative effects of aging on memory aren’t necessarily permanent. "We can bring back the more superior working memory function you had when you were much younger," the lead author said.
Having sex before 13 is linked to increased sexual risks, such as having multiple sexual partners and sexually transmitted infections, an editorial published with the study said. It may also be linked to substance abuse, dating violence and low school achievement.