Heart Serious Problem

From 2 years ago continusely I am feeling Very tired that something goes wrong.Symtoms: heart py bhot zyada dbao or bhari pan mehsoos hona jsy kch ruqawat ho ,Mentally depressed .Weakness body . Note:A day Recived pack of dark chocolates from aboard After eating 8 10 chocolates bars I start feeling that I am leaving life again everything is going Right but after 2 days then same condition as first.I don't know what is Fact behind thisthats why I am sharing with u.