The point of posting this medical news item on a HR forum is not clear.
Most of the members are HR qualified and cannot obviously comment n this article.
Whether this therapy is good,safe or to be avoided can be best decided by a medical professional
As far ordinary people are concerned best way to avoid heart attack -
Stop smoking and eating red meat.
Do regular exercise and have healthy fat free diet.
Have regular check ups of BP.
Learn to laugh away your stress.
Learn to enjoy a stress free and happy life.
Half knowledge of medical topics is actually more dangerous than not knowing anything abut medical topics.