I am a smoker for about 4 yrs now and I'm in the mid of my 20's I started to smoke when I'm in college. Some of my friends are using vape now because they think its safer than smoking weeds. But i think its the same because marijuana not only gives us the pleasure we want while smoking but it has a good benefit also in our body. And here's the article that i saw about it Green Crack Cannabis Seeds | Feminized Sativa Seeds | American Genetics | Blimburn Seeds and i think its true. But it's only my opinion. As long as you think that using vape is safe I'm not against it.