6:44
Is marijuana bad for your brain? - Anees Bahji
10,147,799 回視聴 - 5 年前
53:35
The Cannabis Question I Full Documentary I NOVA I PBS
7,501,304 回視聴 - 3 年前
0:47
Smoking #marijuana may be more harmful to lungs than smoking #cigarettes, study finds. #health
478,777 回視聴 - 2 年前
0:30
Study: Smoking Marijuana Bad For Heart
276,323 回視聴 - 4 年前
12:05
Could cannabis help you sleep? | Jennifer Walsh | TEDxKingsParkSalon
144,224 回視聴 - 1 年前
8:07
How Marijuana Completely Changes Your Sleep
4,635,200 回視聴 - 1 年前
7:09
What Happens When You Quit Marijuana?
12,375,736 回視聴 - 4 年前
2:07
Marijuana Health Benefits
355,175 回視聴 - 9 年前
0:46
"Senate committee voices concerns over expansive low-THC medical cannabis House bill "
129 回視聴 - 1 日前
6:53
Has Texas legalized marijuana? | Texas Monthly
35,733 回視聴 - 10 か月前
11:31
Can Cannabis Help You Sleep? Here’s the Science | Jen Walsh | TED
133,910 回視聴 - 1 年前
14:42
We Have To Talk About Weed
10,443,837 回視聴 - 6 か月前
4:05
The science of cannabis
41,350 回視聴 - 6 年前
2:10
Health Watch: Mother Says Marijuana Saved Her Autistic Son
132,432 回視聴 - 6 年前
0:54
Are THC cannabis vapes dangerous? #thc #cannabis #vape #vapelife #vaping #doctor
117,304 回視聴 - 1 年前
2:35
Your Brain On Edible Marijuana
8,853,500 回視聴 - 8 年前
3:34
Experimental drug shows promise for marijuana addiction
102,546 回視聴 - 1 年前
2:54
High-Potency Marijuana Products Pose New Risks To Teens
81,866 回視聴 - 3 年前
2:28
What is Marijuana?
196,832 回視聴 - 8 年前
8:04
Marijuana THC vs CBD, CBG, CBN: What’s the difference? What are health benefits of each?
646,334 回視聴 - 3 年前