Double Red Donation Which Blood Donation Is Better?

Which blood donation is better? - double red donation

Donations were collected during the past year are gifts of double red cells (2RBC). Here you can separate the components of blood, to give only red blood cells, and reap the return to the salt. However, as donations for the implementation 2RBC can do so every 4 months. I thought of something else to do, and I wondered what the pros and cons of 2RBC disadvantages of donated platelets (which you can do every week). I do not know what everyone is used for a type, or if you have more than another. If you at all care, my blood type A positive.