Factors Affecting a Longevity of Human Being

Labor: there are a lot of macrobians among the people who have done physical labor for life.

Body weight: the obese or thin people die young.

Speed of metabolism: ensuring the speed of metabolism within the optimum limit of the normal physiology of the human body makes the span of life longer.

Character: 92% of centenarians have optimistic characters.

Intelligence: a person of high intelligence has a long life. The intelligence here refers to the intelligence training by ones own leading role including book-reading rather than a born ability of the brain.

Passion: a passionate person lives a long life.

Speculation: a person who is always given to speculation and goes deep into matters has a long life.

Interest: 81% of centenarians are interested in different kinds of cultural recreation activities.

Confidence: a person who receives an active treatment with a firm confidence and optimism lives much longer.

Waist: a slim-waisted person has a long life and is seldom subject to circulatory diseases.