The San Diego Union Tribune reported that the Food and Drug Administration and the Center for Disease Control told them on a conference call that all the 1,700 samples of Florida and Mexican tomatoes tested were negative for the sickening bacteria.

The study by Dr. Nikolaos Alexopoulos and colleagues in the cardiology department of Athens Medical School found that green tea rapidly improves the function of endothelial cells lining the suggests endothelium-dependent brachial artery dilatation increased significantly after drinking green tea.

The new study recommends performing the electrocardiogram (ECG), which records heart activity, while exercising because that can diagnose four times as many abnormalities as while resting. The study found that a large number of previously healthy people collapse and die from undiagnosed heart abnormalities, such as sudden cardiac arrest on the playing ground.

Researchers at University Hospital Basel analyzed data on 195,516 people in Europe who received kidneys from deceased donors between 1985 and 2004, and found that gender can substantially affect whether the operation will be successful.

The Public Health Agency of Canada said a 33-year-old man from Ontario returning from the U.S. tested positive for the salmonella strain that has sickened 922 Americans in 40 U.S. states since April.