Canada is ready to open the door wide to legal marijuana
At least 111 legal pot shops are planning to open across the nation of 37 million people on the first day, according to an Associated Press survey.
Health
Critical news and views to stay healthy, sharp and safe.
Scientists design self-lubricating condom
The hope is to encourage people to use condoms to prevent STDs such as HIV.
Inside the lab that creates the flu shot
NBC News’ Dr. John Torres goes inside a highly-secure lab where scientists are creating this year’s flu shot. Scientists are making a vaccine they hope better protects against four flu strains.
