Dr. Mark Laperouse with Our Lady of the Lake joins us to talk blood donation. We talk about OLOL’s need for blood and how if you have O negative blood it is good to donate, since that is the universal donor.

Dr. Mark Laperouse with Our Lady of the Lake joins us to talk blood donation. We talk about OLOL’s need for blood and how if you have O negative blood it is good to donate, since that is the universal donor.
