How Much Cannabis Can Teens Consume and Still Be Safe?

Primarily, the driving force behind this is the fact that the human brain is still developing until around the age of 21. Science shows that the brain is the last organ in the body to fully mature, and it even continues to grow through the age of 25. That’s why placing restrictions in place, for young adults not to be allowed to legally consume weed until 21, helps prevent any damage to the developing brain.