Wow, 120 spam comments. I wonder how long these spam have been there. Maybe not that old or else I will get an e-mail from the administrator of this blog. 
Just like taking for granted some small things in our daily lives, these can turn big and might be harmful enough to cause our life. There are things also that we are not aware of. Asbestos, for example. Who would have thought that exposure to this will cause mesothelioma? Yes, there is such thing as this and it is very dangerous. Though mesothelioma life expectancy is quite impressive compared to other diseases, it is only because of its late diagnosis.
April 22 is Earth day! Let us be aware of our environment. A healthy environment is a healthy place for healthy people!