No? Show me some cigarette ads.

The Public Health Cigarette Smoking Act of 1969, which is still in effect, bans all commercials for cigarettes on TV and radio in the US.

Cigarettes and alcohol both have advertising heavily regulated/banned. The government just needs to make a public health argument which is easy enough here

They would have to stop pushing their own gambling sites to accomplish that. 45 States have lotteries they aren't going to give up, and one of the other five has legal casino gambling.