Poor Health Seriously, and most of it's linked to Heart problems caused by poor health. Americans are just obsessed with labor saving equipment! The number one cause would probably be a myocardial infarction, or Heart Attack. If it is not restricted to silence however, the answer is still poor health! But to be more specific traffic accidents (most occur in urban settings where the poor health of Americans restrict them from simply traveling manually). Keep healthy! (In America, pedestrians are hit less often than drivers).
cancer
Fu** wiki answers
Not a disease per say, the overconsumption of salt is often called the "silent killer".
A Heart Attack that is Silent ^__^ ;) ~Bexterr Was Heree
The cast of Silent Killer - 2010 includes: Nebu Joseph as Victim Vimal Koshy as Killer
The cast of The Silent Killer - 2009 includes: Danica Alexander as Girl Teji Kale as Killer
One element of a silent killer is deception. Silent killers often lead people to believe they are innocent and likable.
prostate cancer
The cast of The Silent Killer - 2010 includes: Juliana Kingsley as Lead Actor
Hypertension is called the silent killer because most people do not realize they have hypertension, resulting in many serious complications without any early symptoms. This is why it is important to have regular checkups with your physician, among other reasons.
i think every junk food is a silent killer but it only cause weight gain and has no health benefit
Diabetes is regarded as silent killer.To some extent high cholesterol(hypercholesterolaemia) can also be regarded as a silent killer as it can increase the chance of coronary artery disease and stroke.