The actor said lawmakers were struggling to stay awake as he testified about Alzheimer's.
Michelle Obama will announce proposals Thursday to encourage healthier diets.
The "Knocked Up" star became an activist after his mother-in-law starting showing symptoms of Alzheimer's in her 50s.
Michelle Obama will unveil a new set of proposed rules at the White House.
Federal regulators are using their authority under a 2009 law for the first time.
Federal health officials are partnering with 26 countries to prevent pandemics.
Rep. Steve Cohen (D-Tenn.) on Tuesday introduced a new bill that would let the White House drug czar study the issue of legalizing marijuana for medical purposes, something it is currently unable to do under federal law.
HHS could ultimately shell out as much as $90 million for the development of Carbavance.
Senate Democrats say electronic cigarettes should be covered by the Capitol's smoking ban.
The five-year partnership will focus on developing new treatments for Alzheimer's, type 2 diabetes, rheumatoid arthritis and lupus.