the main reason you are getting them is high blood pressure./QUOTE]
How can you be so sure about it?
It could also be an exertion headache he is experiencing.
From holding your breath which causes what... a short but high increase in what... BLOOD PRESSURE.
The
Valsalva maneuver is a particular way of breathing that increases pressure in the chest. It causes various
effects in the body, including changes in the heart rate and blood pressure