Kennon Heard, MD, Ph.D., was skeptical when he first heard about cases in emergency departments of severe, recurring episodes of nausea and vomiting associated with chronic use of marijuana. In 2004, ...

And like most high-tech robot vacuums, the L60 uses lasers to scan each room to create an internal map for efficient cleaning. You can use an app to select which rooms to clean, set up “no-go” zones, ...