What are the concerns regarding GM foods?

People are concerned about GM Foods for many reasons. The main ones are:

• There are chemicals added to it which could make it dangerous to eat.
• People believe it is messing with nature.
• You could be allergic to it even if you arn't allergc to the food normally.
• Some have anti-biotic resistance.
• Foods can become toxic.
• Could harm foods that aren't supposed to be touched by the chemical.
• The chemical could spread affecting a whole yield.
• Changes soil chemestry.
• Genetic pollution
• Can create super weeds