Is marijuana a "gateway" drug?

Jessie
I was watching videos on YouTube about heroin addicts, and people were saying in the comments that you shouldn't ever try weed because addiction to drugs will occur and so on. So my question is, is marijuana a gateway drug? Please explain your answer. 
**im sorry if this is a topic already!**

Vote below to see results!

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors