In the future, human have fused the renewable genes of salamanders, and human have gained the ability to live forever, but at the same time, human's appearance and their habits are also slowly changing.

With the development of time and technology, the pollution of air caused by many factories has become more and more serious.

As age and education levels increase, older people have higher expectations of their appearance, and the realization that physical appearance can affect quality of life and physical health is becoming more prevalent.

More young women are getting breast cancer, but mental health after surgery is often overlooked.