Why do we donate blood?

Why did the dinosaurs go extinct? Many of you have learned about the meteorite that scientists say hit the earth 66 million years ago and killed off many dinosaur species. But some dinosaurs survived, and the birds you see flying around today are their direct descendants! In this ...  Show more

Why are brothers and sisters so annoying? Why do siblings often look a lot alike? Why do siblings fight? Can your sister be your best friend? Why do we fight with our siblings even if we love them? But Why takes a look at the sibling relationship with Susan Dominus, author of The ...  Show more

Friends and family are often called on to donate blood to loved ones in a medical emergency or ahead of routine surgery. But across the continent, there is a shortfall in blood needed for life saving transfusions. The World Health Organisation estimates that they are only meeting ...  Show more

Many people battling symptoms, conditions, or chronic illness are subjected to routine blood draws and tests. How can these routine blood draws affect the body? In this episode, I uncover important truths about blood draws and reveal why the blood testing and donation system is b ...  Show more

Knowing your blood group is handy information if you need a blood transfusion, or even an organ transplant. And it's essential information for the blood bank recruiting donors who match your blood type—and for people needing a blood product. 

Join EM physicians Mike Samuels and Dan McCollum as they discuss different blood products that can be transfused. Why don't we commonly use whole blood? Who needs to receive packed red blood cells? Are there any dangers to giving platelets? When is fresh frozen plasma needed? Epi ...  Show more