Genetically Modified Foods
They are really bad, to say the least.
Scientist who worked in this field show that GMO cause serious health risks including infertility, immunity disregulation, accelerated aging, cell signaling, protein formation, changes in liver, kidney, spleen, etc.
GMO are a lot more dangerous to us and our environment that global warming.
Man made genes in GMO spread into the fields of natural crops and contaminated them.They have created superweeds, resistant to chemicals.
GMO genes transferred to humans, creating serious health issues.
You can read MYTHS and TRUTHS about GMO here:
It is a big scientific work. The file is too big to be attached.