My Blood Pressure was going a little high during the day under stressfull situations and I didn't want to take any pills so I studied and finally bought the The Zona Plus which is a small handheld isometric therapy device that has been scientifically proven in the overall management of cardiovascular fitness. It has lowered my blood pressure to normal and I feel better than ever. The cost is around $400.00 but well worth it. Here is the web site
Improve your cardiovascular health with the Zona Plus!