Carbon monoxide.
Poison gas
I think it's poison gas.
The cast of The Silent Killer - 2009 includes: Danica Alexander as Girl Teji Kale as Killer
The cast of Silent Killer - 2010 includes: Nebu Joseph as Victim Vimal Koshy as Killer
cancer
prostate cancer
The element you might be referring to is carbon monoxide, as it is colorless, odorless, tasteless, and highly toxic. It can cause poisoning by displacing oxygen in the bloodstream, leading to suffocation and death. This silent killer is often referred to as "the noble gas of death" due to its deadly nature and difficulty to detect without specialized equipment.
The cast of The Silent Killer - 2010 includes: Juliana Kingsley as Lead Actor
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.
The cast of Silent Killer - 2011 includes: Jake Boswell as Hitman Desmond So as Target
You can not call this disease as the silent killer. Rather it kills loud noise. You do not have good treatment in most of the developing countries.