People have come up with new inventions and are constantly coming up with new ideas every now and then. Ideas are something which is genuinely aimed towards the progress and development of people and a nation, yet there have been some ideas imposed which have turned tables the other way round. Instead of reaping benefits out of some ideas, some have actually turned out and proven to be dangerous to people and mankind. Inventions are born out of ideas and therefore, we take a long time to realize the results and consequences of such ideas on our lives. Until a certain passage of times passes, and the results of that idea start hitting us harder do we understand the deadly implications those ideas could or probably be having on our lives and on the whole of mankind. Some ideas exists for long and are carried and followed by people for time immemorial, yet there are some ideas which could have some devastating consequences on our lives, and it is just a matter of time until and unless we realize and get aware of those harmful results. Here is a list of the top 10 popular ideas that turned out to be really dangerous, the implications of which were not known by man before and the fact that the idea shouldn’t have been followed.