It is easy to get worried when we have tragedy like your friend's husband hit so close to home. I am so sorry to hear this. However, he clearly had some unusual risks, and this is not going to be your story, so keep your thinking positive! Moderately high blood pressure is common, and can be treated effectively...leading to many, many healthy years!
Here is the device I was thinking about
My sister used this with good results. See what you and your doctor think.:)
Keep us updated so we can keep you in support. :)
"Courage is not the abscence of fear, it is feeling afraid and doing it anyway!"
"Worrying does not empty tomorrow of its troubles...it empties today of its strength."
Corrie Ten Boom
Panic Syndrome recovery due to CBT