I believe it is either one or five, i am not sure though.
Answer:
due to human are using resources faster than they can be renewed replace and clean up.
A Paleo diet also known as the Stone Age diet has the same food our hunter-gather ancestors ate such as fruits,meats,seafood and nuts. The diet lessens the body's glycemic load, has a healthy ratio of saturated to unsaturated fatty acids, increases vitamin and nutrient consumption and contains an optimal balance of protein, fat and carbohydrates.
Paranoia, hallucinations, talking nonsense words, delusions.
This questions is quite open, so options are endless.
