NEW YORK (AP) — The American Cancer Society — one of the nation's best known and influential health advocacy groups — is 100 years old this week.

PORTLAND, Ore. (AP) — The mayor of Portland, Ore., has conceded defeat in an effort to add fluoride to the city's drinking water.

(Reuters) - Merck & Co Inc said it has entered into a $5 billion share repurchase agreement with Goldman Sachs Group Inc, as the drug giant looks to prop up shareholder value in face of stiff competition from makers of less-costly generics. Under ...

(Reuters) - Vivian Cheruiyot is not defending her world 5,000 and 10,000 meters gold medals in Moscow in August because she is expecting her first child, the Kenyan said in a statement. The 29-year-old, who won both races at the 2011 world athleti...

May 22 (Reuters) - Vivian Cheruiyot is not defending her world 5,000 and 10,000 metres gold medals in Moscow in August because she is expecting her first child, the Kenyan said in a statement. The 29-year-old, who won both races at the 2011 world ...