The post about coughing to stop a heart attack is it true?.

There is no medical evidence to support 'cough CPR', which suggests you can help yourself by coughing vigorously if you think you're having a heart attack and are alone.
Could something called cough CPR save my life

have a read up at this link. How to delay heart attack Google Search

read up at this link. Should you cough hard to prevent heart attack Google Search

no
in fact it may bring it on
sever coughing places strain on all of your organs including your heart
go see a doctor or cardiologist for a proper diagnosis

No. So-called "cough CPR" is not endorsed by medical authorities, and is deemed ineffective when having a heart attack. You'd do better using the available breath asking someone to call paramedics.

If you are in a deserted area and you believe your heart has actually stopped, well, try it, nothing to lose, but that is a desperation viewpoint.

Read and decide for yourself

Ibuprofen like painkillers linked to an increased risk of heart failure...

No.

Heart attacks are caused by a combination of genetics and lifestyle patterns. If your family has a frequent history of heart attacks, especially at a young age, and you want to improve your chances of not having one:

You MUST follow a heart healthy diet, and make sure you get a level of regular exercise appropriate for your age and current fitness level.

THERE IS NO OTHER WAY!!!!!

https://www.mayoclinic.org/diseases-conditions/heart-disease/in-depth/heart-healthy-diet/ART-20047702

http://www.heart.org/HEARTORG/HealthyLiving/HealthyEating/Nutrition-Center_UCM_001188_SubHomePage.jsp#

I am not going to pussyfoot with you. The typical American diet is the absolute worst on the planet. Double that if you adhere to a Southern diet, ie, lots of fried food, butter, dairy, sweets, high sugar. Continue that and DIE YOUNG.