In fact, mixing both types of substances can lead to dangerous outcomes
Increasing excise taxes, closing smoke-free air law loopholes, and more stringently regulating hookah tobacco promotion and advertising on product packaging and social media platforms, as well as at points of sale and consumption, may effectively reduce young adult and youth use and combat the sentiment that smoking hookah is a safer and more normative behavior than smoking other tobacco products [ 2 , 7 , 12 , 14 , 16 , 20 , 21 , 22 , 25 , 30 , 34 , 47 , 48 ]
You can see this in the chart, which shows the number of medical doctors per 1,000 people
1989 JAMA 261 : 8489 Fischer PM, Krugman DM, Fletcher JE, Fox RJ, Ras TH