Does marijuana expand consciousness like acid?

No The closest scientists have gotten to pinpointing consciousness in the physical world, is finding the chemical commonly known as 'the spirit molecule' dimethyltriptamine (DMT). Weed and Acid lack sufficient DMT for it to be noticed upon consumption. Acid makes you trip, you hallucinate and experience a shift in reality. read more

Sure. If you want to call that increasing the consciousness you can. read more

Here are a few practices to expand your consciousness: Start a meditation practice to slow down your mind. This leads you to be able to focus and concentrate more deeply, and notice what is going on within and around you. read more

Although LSD affects our consciousness, Swim kinda agrees with jatelka in the sense that LSD does not expand consciousness, it just alters it a little and your brain compares the lsd consciousness with the normal, giving the illusion that you're more conscious and aware of the world around you. read more