This issue is popping up across the country. 

Via the Baltimore Sun:

Now that medical marijuana is legally available in Maryland, some who want to use the drug to manage health problems face a dilemma: To get the pot, they surrender their right to own a gun.

The question arises because marijuana, even for medicinal purposes, is still illegal under federal law. Authorities have long made it clear to gun dealers that they shouldn’t sell to people who use marijuana medically, and federal law prohibits drug users from owning guns.

Former state Del. Mike Smigiel, who sponsored medical marijuana laws and is a staunch advocate of gun rights, said it was wrong for the government to force people to choose between getting medical help and being able to defend themselves.

The Eastern Shore Republican said marijuana and guns should be treated like alcohol and guns — don’t use them at the same time.

“You don’t drink when you’re using firearms,” he said. “I don’t know that it’s any different.”

Read more here.