In the last few years many people have been making increasing use of laptops and many are now required to use them as a substantial part of their normal work routine.There are many effects due to improper handling of laptop

Hot Laptops Cause "Toasted Skin Syndrome"
Laptops Cause Cancer
Laptops Cause Infertility in Men

http://www.huffingtonpost.com/2010/11/21/skin-cancer_n_785976.html