US president calls vote a landmark piece of legislation and acknowledges toughest part of process may lie ahead
US Senate Approves Historic Health Care Reform Bill
Legislation would extend insurance access to about 30 million uninsured Americans
May help reduce world's most common nutritional deficiency.
Western-Style Diet Brings New Health Problems to Kenya
Non-communicable 'lifestyle diseases' putting tremendous pressure on Kenyan health care system
Nigeria is virtually free of the disease
Democrats have been able to hold together a 60-vote majority required to pass bill