The following is an excerpt.
There was no doubt in Chontell Johnson’s mind. When a genetic test revealed her mother had early onset Alzheimer’s, the then-27-year-old decided she would get tested, too.
”If I didn’t know, I would spend the rest of my life second-guessing decisions,” she says.
The results confirmed that within the three billion letters of Johnson’s genome, a single mistake means she has a 98 per cent chance of developing the neurological condition that killed her mother at 47.
View the original article here: Living with a time bomb