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PHILADELPHIA – A popular herbal treatment called black cohosh is practically ineffective at relieving hot flashes and night sweats in women going through menopause, a study found. The findings were disappointing news for women seeking alternatives to estrogen-progestin hormone supplements, which have been linked to breast cancer and heart problems. …

Eating foods rich in folate, better known as folic acid, may lower risk of pancreatic cancer, a new study shows. But the study, published in the Journal of the National Cancer Institute, doesn’t show the same benefit from folic acid in supplements. Researcher Susanna Larsson sums up the study’s findings …

WASHINGTON – A former top aide to Rep. Tom DeLay pleaded guilty Friday to conspiracy and promised to cooperate with a federal investigation of bribery and lobbying fraud that has so far netted three convictions and prompted calls for ethics reform in Congress. Tony Rudy, DeLay’s former deputy chief of …