I often wonder… is it an Rh negative thing or a blood type A thing?
Blood type A also makes more adrenaline in response to stress than the other blood types. Fortunately, blood type A also has the greatest ability to break down or eliminate catecholamine hormones like adrenaline.
See also:
What else do we seem to have in common…?
Here is another quick question for all Rh negatives:
What is your blood pressure rate usually?
What is your blood pressure rate when you are highly stressed and/or adrenalized?