Hereditary Disease ⁽²⁾

On the first day of the Lunar New Year this year, my third uncle died of colorectal cancer despite treatment. Just before the Mid-Autumn Festival, my son suddenly developed a perianal abscess, triggered by diarrhea; two days earlier, my own father had also had diarrhea…

A hereditary disease, or genetic disease for short, is a disease caused by a change in the genetic material within cells (chromosomal aberration or gene mutation). It involves changes in the structure and function of genetic material in somatic cells, germ cells or fertilized eggs.