Study: Active lifestyle may lower risk of cancer Medical service to be restored in China quake zone by end-July Over 1,000 infected by salmonella in U.S. Fluoridated water now reaches nearly 70% of U.S. population U.S.: AMA to issue formal apology to black doctors U.S. sharp increase of melanoma among young women Study: Active lifestyle may lower risk of cancer Unsafe abortions kill some 68,000 women annually Bird flu quarantine lifted in China's Guangdong U.S.: AMA to issue formal apology to black doctors

Special Reports

Iran Nuclear Crisis Reconstruction After Earthquake