1. The mother was young when she was born. Scientists from the University of Chicago found that if a person's mother was under 25 at birth, their chance of living to 100 was twice that of a person whose mother was over 25 at the time of birth.

2. Love tea. A study of 40,500 Japanese men and women showed that those who drank at least 5 cups of tea a day had the lowest chance of dying from heart disease and stroke.

4. Drink less carbonated drinks. American scientists have found that drinking Coke more than once a day doubles your risk of heart disease, diabetes and other diseases. If you really want to drink a few sips of carbonated drinks, you can add some juice to it. 3. Walk for 30 minutes a day. A recent study of 2,603 men and women showed that people who insist on walking for about 30 minutes a day, no matter how high their body fat content is, their chances of longevity are four times that of those who walk less than 30 minutes a day.

5. Strong legs. "Poor leg muscle strength indicates weakness in old age." A strong leg can especially prevent hip fractures. Because hip fractures can cause various complications, as many as 20% of patients will die within a year.

6. Eat purple food. A new study shows that purple grapes, blueberries and red wine are rich in polyphenols, which can reduce the risk of heart disease and prevent Alzheimer's disease.

7. Normal weight when teenagers. Researchers conducted a study of 137 black Americans and followed them from birth to 28 years old. The results found that being overweight at the age of 14 increases the chance of developing type 2 diabetes in adulthood.

8. Eat less red meat. According to a report from the American Cancer Institute, if you consume more than 510 grams of red meat per week, it will increase the risk of colorectal cancer. Daily intake of 99 grams of processed meat products (such as bacon and cooked food) will increase the risk of colorectal cancer by 42%.

9. Go to university. A study by Harvard Medical School found that people who have received more than 12 years of formal education live 18 months longer than those with relatively little education.

10. Good popularity. "Good interpersonal relationships are a buffer against tension." Long-term mental stress weakens the immune system and accelerates cell aging, ultimately shortening life span by 4 to 8 years.

11. Friends are in good health. If your friend gains weight, the likelihood of the same thing happening to you will increase by 57%.

12. Strong self-control. Compared with people with a low sense of responsibility, successful people who think they are self-disciplined and organized in their work live longer.

13. Don't ask for a nanny. According to a study involving 302 elderly people in their 70s and 80s, using a vacuum cleaner, cleaning stairs or wiping windows for more than one hour can burn about 285 calories for an average person, and at the same time put the risk of death Reduce by 30%.

14. Active personality. A study published in the "Psychologist" magazine stated that about 17% of Americans are more active, and these people are healthier than dull people.