Medicine

What’s causing the alarming rise in cancer for adults under 50
Creatine, a popular exercise supplement, might help treat depression
Axolotls can regenerate their brains 
New treatment “starves” aggressive brain tumors in mice
Meth addiction treatments are finally on the horizon
Blood test can find dozens of types of cancer, with few false positives
ARPA-H: High-risk, high-reward health research is the mandate of new, billion-dollar US agency 
Long COVID: Self-targeted immune attacks may lurk behind it
How NASA is planning to prevent a Martian plague 
Breakthrough drug could save hundreds of thousands of children’s lives