Cannabidiol (CBD) reduced 2 all stress responses such as anxiety, high blood pressure, and rapid heart rate.
Link: 5-HT (1A) Receptors Are Involved In The Cannabidiol-induced Attenuation Of Behavioural And Cardiovascular Responses To Acute Restraint Stress In Rats
Year: 2009
DOI: 10.1111/j.1476-5381.2008.00046.x
Possible to probable range of efficacy of cannabis for treatment of Heart Disease according to the results found in this study.
Injected cannabidiol (CBD)