A few days ago, Grandma Wu had just celebrated her 90th birthday, and her birthday banquet, which was already full of descendants, was also very grand. For Grandma Wu, almost all of her former acquaintances have already traveled by crane to the west, and she is considered the oldest among those she knows well

A few days ago, Grandma Wu had just celebrated her 90th birthday, and her birthday banquet, which was already full of descendants, was also very grand. For Grandma Wu, almost all of her former acquaintances have already traveled by crane to the west, and she is considered the oldest among those she knows well. Her family has also lived in the same family for four generations. Grandma Wu's several grandchildren often say that as long as the elderly person can walk through this life safely, the family will be very satisfied.

For Grandma Wu, although she clearly felt that her body was not as healthy as before, luckily she had not suffered from any major illnesses at this age and her body was still quite strong. Having children by my side every day, eating well and sleeping well, is still relatively happy.

Actually, for Grandma Wu, the biggest pain isRelatively lonelyFriends around have gradually left. Even if the living and medical conditions are improved now, there are very few people like Grandma Wu who have a long lifespan, and even not many who can cross the threshold of 80 years old.

So how many elderly people over 80 years old are there in our country? Is this the standard for longevity? Is it true that the longer you live, the happier you become? In fact, the topic of longevity is long-lasting, and longevity has been the extravagant pursuit of countless high-ranking officials and dignitaries for thousands of years. Let's take a look, what are the standards of longevity? Is longevity really happiness?

There is a concept about lifespan called average expected lifespan. By 2021, China'sPer capita life expectancyApproximately77.3 years old. This is certainly not a blind estimation, but a calculation based on the mortality level of each age.

According to the results of the seventh population census in China, in 2020, there were approximately260 million people, accounting for approximately18.70%Among themOver 65 years oldThere are approximately190 million people.

our country80 years oldThe above elderly people have at leastOver 30 million, accounting for approximately12.37%.our country80 years old,30% of peers.yes.

In this era, according to incomplete statistics,45~60 years oldyes.decline..

,.Digestive fluidThe ability will decrease, resulting inPepsin and acidity of gastric juiceAlsodecline.

When we eat too much, our digestive ability weakens and it is more likely to occurAccumulation of food, bloating, and acid reflux.,Stimulate the stomachLater, it is easier to inducegastritis.

,,decline,decline..

yes,and,anddecline.

Between the ages of sixty and eighty,Only30%About the elderly can finally climb over the "mountain" of 80 years old..

So even ifWorld Health Organizationthink90 years oldyes,think.,30%80 years old,,80 years oldyes.

andyes,,,Also.80 years oldyesyes.

,yes,yes,,yesyesand.

,.our country,.

our country,90 years old.1401,90~941068,95~99278,10055.,426,975.

Research team utilizationPhiladelphia Elderly Center Confidence Scale and Daily Living Ability Scale,,.

During the research process, scholars willMarital status, education level, occupation, and living conditions,.0-14 pointsThe subjects areLow sense of happiness, and15-18 pointsThe elderly areModerate happiness,19-23 pointsThe participants areHigh level of happiness.

,,19.9%yesLow sense of happiness,21.2%yesModerate happiness,58.9%yes.

,,90 years old,,.

,andFamily intimacy, cognitive function, and subjective and objective social support.yes.,and.

,Respected, supported, and understoodand.,,.

,,Number of disease diagnosesand.,as well as.

,.yesas well as.Loneliness, andAlsoGuilt,andRelationship deterioration..

,,yes.Among themyesand.,High level of happinessyes,yesand.

yes,and.yes,.Can increase,.

,,yes.,,yesand.

1. Dietary restrictions

yesReasonable control of food intakeIn order to achieveNutritional balance,yesyes,,.

and,AMPK, mTORand.

,yesthinkyesNutritional metabolism,.yes,Sirolimus target protein signaling pathway,Activate Ribosome subunitsandSuppress 4EBPdecline,.

,4EBPSirolimus target protein signaling pathway, andyesRestricting the intake of dietary nutrients.

2. Exercise

,,yes.

think,andFree radical content,positive correlation.Can increaseFree radical scavenging enzymes in the body,,.

,,Lack of exercise.,20.,yes,and.

3. Environmental pressure

,,,,.

yes, andand,yes,and,.

yesEnvironmental pressure can triggerAutophagy Lysosome signaling pathwayandLong chain non coding RNA,andas well asTumor suppressor gene p53,Inhibition of mTOR pathway,.

,,,.......

Write at the end

,yes,,,andyes.

yes,80 years oldyes, andWorld Health Organization90 years old.,and.

,,and,yes,.

References

[1] Tong Yufen. The Latest Dynamics and Trends of China's Population -- Analysis Based on the Data of the Seventh National Population Census [J]. Journal of China University of Labor Relations, 2021,35 (04)

[2] Xiao Hang, Feng Ping, Zhou Qihai. Research progress on molecular mechanisms related to longevity and aging [J]. Bioinformatics, 2019,17 (04)

[3] Hu Junmei, Wu Weili, Deng Juelin, etc. Study on subjective well-being of long-lived elderly and its related factors [J]. Chinese Journal of Clinical psychology

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