Because of instinct left over from a time when food wasn't so plentiful (Think stone age) then when food was available humans gorged as they didn't know when the next time food would be available, nowadays there is plenty food available all of the time (For most of us at least) but the instinct to gorge / over eat remains with us.
Psychological
u eat all u can find and if worst comes,, eat the person next to u
Your metabolism will increase and your body will weaken severely from the lack of nutrients. Your body will start holding onto the fat that you DO have.
Squirrels are mainly plant and fruit eaters, however they occasionally consume insects making them omnivores.
A vegetarian. A vegan won't eat fish, egg, milk or cheese. Some vegetarians will eat unfertilized eggs.Octo-Lacto Vegetarian eat no red meat, poultry, fish, or products that have ingredients which are animal-based such as Gelatin.They do eat Vegetarian cheese, yogurt, milk, eggs, honey etc.IF they just eat eggs they are called Octo Vegetarian
the conscious mind of the cortex can override body signals
Hunger
The will to live The pain in one's stomach HUNGER
Eat
You eat
My hunger was so big i could eat a elephant
Pills to curb your hunger so you eat less.
eat
eat food
Eat.
Hunger
eat food