Why is marijuana the most widely used drug?

The drug helps keep focus and coordination it also increases your heart rate and also affect the lungs  I hope this helps

Well one Reson is that people us it just to use it to "look cool" but most people us it for health issues they have like brain and heart problems because it is a herd I hope this helps :

Think it's rice because in many countries rice is the main food so it can be traditionally served all at once.