Be careful, but not paranoiac about pesticides. They are harmful but only when consumed in large doses.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ddt-my-broccoli
[2] http://admin.indiaenvironmentportal.org.in/category/author/paromita-shastri
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/outlook-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pesticides
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vegetables
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mercury
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fish
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hazardous-products
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cancer
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pesticide-residues