結果 : do e cigs contain tobacco
1:16

Do e-cigs contain tobacco?

Rejuve Cigs
149 回視聴 - 10 年前
1:23

VERIFY: Do e-cigs have more nicotine than a pack of cigarettes?

KHOU 11
1,011 回視聴 - 5 年前

-
12:54

Vaping: what people are getting wrong

The Economist
3,469,404 回視聴 - 4 年前
5:46

Is Vaping Worse Than Smoking?

AsapSCIENCE
1,142,608 回視聴 - 10 か月前
4:39

Electronic Cigarettes and Vaping

David Geffen School of Medicine at UCLA
956,462 回視聴 - 7 年前
2:24

E-cigarettes: Are they safe? BBC News

BBC News
1,497,922 回視聴 - 10 年前
1:18

Do E Cigs Contain Dangerous Substances?

ecigarette456
54 回視聴 - 13 年前
1:20

Why are heated tobacco products fundamentally different from cigarettes?

Philip Morris International
30,821 回視聴 - 1 年前
0:53

Do E Cigs Contain Harmful Substances?

arthurstone456
3 回視聴 - 10 年前
2:05

Heated tobacco products: what are they and why are we talking about them?

WHO European Region
26,232 回視聴 - 1 年前
3:18

How Smoking vs Vaping Affects Your Lungs ● You Must See This ! !

Chris Notap
45,673,753 回視聴 - 5 年前
5:40

Vaping vs Smoking vs IQOS: Which is Least Harmful? 🚬

Joseph R Nemeth DDS
4,177,945 回視聴 - 5 年前
15:11

Smoking vs Vaping - Which Is Worse?

The Infographics Show
2,372,113 回視聴 - 11 か月前
2:25

Do E-Cigarettes Really Contain Ten Times the Carcinogens of Tobacco Cigarettes?

BANG IT NEWS
26 回視聴 - 7 年前
6:34

Is Vaping Better Than Smoking Cigarettes?

PowerfulJRE
3,307,900 回視聴 - 2 年前
0:55

Do Ecigs Contain Nicotine?

Nancy Shore
67 回視聴 - 10 年前
14:58

What We DO and DON'T Know About Vaping

Institute of Human Anatomy
2,011,180 回視聴 - 1 年前
1:22

Even nicotine-free e-cigarettes can harm blood flow, study finds

News Direct
43,030 回視聴 - 4 年前
0:16

Destroying Nicotine Pouches@AlishyNaeem

Naeem Noor
263,154 回視聴 - 1 年前
0:52

Does E Cigs Contain Unwanted Chemicals?

arthurstone456
28 回視聴 - 10 年前