In a simpler time, we were told to avoid foods that were high in fat. But then we learned that there are many different types of fats, including some, like olive oil, that are good for you.n a simpler time, we were told to avoid foods that were high in fat. But then we learned that there are many different types of fats, including some, like olive oil, that are good for you.
1 One out of every 10 people entering a hospital needs blood. 2  Just one pint of donated blood can help save as many as three people's lives. 3  The average adult has 10 pints of blood in his or her body.
As many as. 6-10 donors are needed for each platelet transfusion. >Plasma carries blood cells and can be stored for up to. 12 months if frozen. Patients with burns, shock or dehydra-. tion need plasma. Hemophilia patients need hundreds of. volunteer blood donors for a single transfusion.