Stock characters are normally one-dimensional flat characters, but sometimes stock personalities are deeply conflicted, rounded characters (e.g. the Hamlet type). Protagonist - The protagonist is the central person in a story, and is often referred to as the story's main character.
The human body appears in designed to live up to 190 years. All the vital organs and tissue regenerate over time. Pancreas regeneration takes 24 hours, the Stomach a week, blood is replaced regularly, and the brain creates new connection.
John Phelan, an evolutionary biologist at UCLA, constructed a math model of the diet and found that people who drastically cut calories starting very early in life (and never cheated) might live four to five years longer. The diet won't push the maximum human life span much past 120, he says.