WASHINGTON (AP) -- Teenagers' perception of the dangers of marijuana has fallen to the lowest level in more than 20 years, a new study says, prompting federal researchers to warn that already high use of the drug could increase as more states move to legalize it.

BRUSSELS (Deutsche Presse-Agentur) -- Smoking is to become a less attractive proposition in the European Union, according to proposals on the design of cigarette boxes that the bloc's executive in Brussels is expected to unveil next week.

PRAGUE (AP) -- The lower house of Parliament has approved legislation that makes it legal in the Czech Republic to use marijuana for medical treatment.