Hundreds of electronic cigarette brands will have to seek federal permission to stay on the market under new rules that have the potential to upend a multi-billion dollar industry attempting to position itself as an alternative to traditional cigarettes. 

Minnesota is expected to have eight medical marijuana clinics open this summer, but some observers are wondering whether there's enough patient demand. 

The number of new HIV infections in Minnesota last year stayed about the same as 2014, but state health officials are expressing concern about a significant increase in some populations and groups. 

The Duluth Detox Center has been cited for abuse and neglect after leaving an intoxicated patient unclothed in a secluded room without a blanket, paper gown, or a cover.