Wolf Blitzer delivers the most important news and political stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
Researchers were able to successfully grow human hair in bald places on mice. CNN's Senior Medical Correspondent Elizabeth Cohen tells Wolf Blitzer about what the promising breakthrough means for people.
Supporters say the president's plan will create jobs and help scientists better understand how the brain works.
A surrogate mother refuses to have an abortion after abnormalities were spotted on the ultrasound. CNN's Elizabeth Cohen reports.
Watch "The Situation Room with Wolf Blitzer" today during the 5pm ET hour for more on this story.
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Dr. Sanjay Gupta goes to Massachusetts to get answers from the facility that made the contaminated injections.
(CNN) – Rep. Michele Bachmann responded Tuesday to a report that the presidential candidate frequently suffers from severe headaches that have at least three times landed her in the hospital.
At a campaign stop in South Carolina, Bachmann said she treats her migraines with medicine as needed and emphasized the rigorous pace of her campaign schedule since she entered the 2012 race.
SEE ALSO: Sanjay Gupta on Bachmann's headaches