- Is driving under the influence of marijuana as bad as driving while drinking?
- More Americans smoking cannabis daily: do you think marijuana is addictive?
- San Francisco to set up safe injection sites for drug users. Good idea?
- FDA taking action to stem youth e-cig epidemic: may ban flavors. Good idea?
- More than a third of Americans sleep deprived: how much sleep do you average?
- UN scientist's report: 12 years to stop 'catastrophic' climate change. Can ...