Contamination of food items by other living organism is known as food contamination. It<span> refers to foods that are spoiled or tainted because they either contain microorganisms, such as bacteria or parasites, or toxic substances that make them unfit for consumption.</span>
First of all you always develope a strategy no matter what u do so its A
That something is wrong with them and they are not doing the best since their oxygen level is low
To Much Sugar and low source of fruits and veggies. Also can be a genetic thing that can run in your blood line.