In my opinion i would say it is. The doctors and technicians say "oh its safe you only get a little of this or a little of that" but you never really realize what the effects have in the long run. So if you think about it...yeah it is.
Carbon monoxide is sometimes referred to as CO or as "the silent killer" because it is odorless and colorless, making it difficult to detect without a carbon monoxide detector.
Carbon monoxide is a deadly gas that is odorless, colorless, and tasteless. It can be produced by the incomplete combustion of any carbon-containing material. Carbon monoxide poisoning can be fatal and is often referred to as the silent killer because of its lack of noticeable symptoms.
There are many silent h words such as herb. Other silent h words include honor, honest, hour, rhyme, and thyme.
A silent "b" can turn "bomb" into "omb," removing the explosive nature of the word.
Silent volcanoes are dormant or extinct volcanoes that are not currently active and do not show any signs of erupting in the foreseeable future. These volcanoes have not erupted for a long period of time and generally do not pose an immediate threat to nearby populations.
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 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.
Carbon monoxide.
hypertension
Something that is lethal that causes no noise.