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That whiff of pot that drifts your way at a rock concert or outdoor event could damage your heart and blood vessels as much as secondhand cigarette smoke does, preliminary research suggests. Blood vessel function in laboratory rats dropped by 70 percent after a half-hour of exposure to secondhand marijuana smoke -- similar to results found with secondhand tobacco smoke, researchers from the University of California, San Francisco reported Sunday. Reduced blood vessel function can increase a person's risk of developing hardened arteries, which could lead to a heart attack. "Smoke is smoke. Both tobacco and marijuana smoke impair blood...

KENNEWICK, WA- Measure 91, approving recreational marijuana use in Oregon, has lawmakers developing rules and regulations. Many wonder if Oregon will adopt similar policies as Washington. Both Liquor Control Boards have set rules for both I-502 in Washington and Measure 91 in Oregon that will take effect on July 1st of next year, but there are a few big differences between the states. NBC Right Now spoke with both boards Tuesday to simplify the details. In Washington and Oregon you can have up to 1 ounce of usable marijuana in your possession. In Oregon you can have up to 8...