All Orcas Are Classified as a Single Species. Should They Be?Killer whales are a global species called Orcinus orca, with some populations likely to be considered separate species due to significant differences in behavior and genetics.
Common Blood Pressure Drug May Increase Risk of Bleeding - News CenterPatients with atrial fibrillation on diltiazem with blood thinners are at higher risk of bleeding, especially with genetic metabolism differences.