Cannabis in The Secret Life of Mind by Mariano Sigman

"In the opaque and intimate silence of our physiology, creates cannabis."
Cannabinoid receptors are located throughout the human body.
This is what an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator said about cannabis:
"making us laugh more, socialize and enjoy more or have better sex."
He was also convinced that the ideas which seemed brilliant under the effects of cannabis were truly brilliant.
The American astronomer felt a certain brilliance in his perception during the cannabis state.
The American Astronomer: Carl Sagan
Current scientific research states that cannabis users, on average, do not lose or gain in their ability to pay attention and concentrate.
"Cannabis users activate less their frontal cortex- which regulates mental effort- and their parietal, while activating more their occipital cortex- the territory of the visual system that functions like the brains blackboard.
Similar to what's observed when comparing the cerebral activity of great chess master and novices while they play."
David Nutt, the Chairman of the Advisory Council on the Misuse of Drugs. He and his colleagues came to conclusion that some legal drugs, like alcohol or tobacco, are more harmful than some illegal drugs like LSD, ecstasy or cannabis.
"Ritalin and cocaine act by the same mechanism."
Ritalin is brand name and a medication for ADHD.
It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills.
This medication is also used to treat a certain sleep disorder (narcolepsy)
From the book:
The Secret Life of Mind by Mariano Sigman