Video Games And Social Media Hurt Teens’ Sleep, Study Says “People don’t make up their lost sleep.”

(Reuters Health) - Teens who play video games before bedtime go to bed later and those who use online social media take longer to fall asleep, according to a recent study.

Montag, 1. Mai 2017

Infections and defenses

Dear all Today I invite you to view this  powerpoint presentation that I shared with you via goethemail. It summarizes more or less what we have been talking about infections, immunity and vaccines. If you want to get more detail, you are invited to view the videos again: Kurzgesagt: the immune system and How do vaccines work? Of course, nobody...