How long can people live without any diseases?

Theoretically, people's life span should be around 150 years. Some people say that human cells can live for more than 300 years. At present, the oldest person in China is Jun Chen, who was born in 88 1 year and died in 1324 at the age of 443. Secondly, Li Qingyuan, a native of Kaixian County, Sichuan Province, was born in Kangxi 16 (1677) in Qing Dynasty and died in 1933. He lived to be 256 years old, which is an extremely rare longevity star in the world. Other regions, such as India, the world's oldest person, Feroz-ud-Din Mir, claimed to be born in March 1872, and is now 144 years old. The Georgian woman Antissa Heweichava claimed to be born in June 1880, 206543. From this point of view, with the continuous improvement of living standards and the continuous progress of science and technology, various possibilities will exist, more and more people will live long, and the average life expectancy will be longer and longer. Want to live forever will also come true.