According to a report by UCSF researchers in the San Francisco Veterans Affairs Medical Center.

Researchers conclude that patients with or at risk for coronary artery disease who undergo noncardiac surgery should be considered for pre-surgery treatment with either atenolol, which is a beta blocker, or clonidine, which can be an alpha2-agonist, as these chemicals have been shown to prevent symptoms of cardiac disease and death. A beta blocker blocks tension hormones produced in the brain from stimulating the heart. An alpha2-agonist decreases the discharge of stress hormones stated in the brain. Six million Us citizens with or at risk for cardiac disease undergo non-cardiac surgery every year.This will take place both in restaurants and through broad-based customer education initiatives, to greatly help People in america make informed food options predicated on their individual way of life and needs. The target is to help family members make informed options and learn methods to achieve good meals/energy balance. The scheduled program teaches elementary school children the need for physical activity and building smart food choices.S. Greene will walk and bicycle across America for 36 consecutive days, challenging people to do something toward more vigorous lives.