Guide to the difficult subject of family medical history and genetic diseases.

"I have this theory that death is a genetic disease," he said in an interview several years ago.

It is the most common genetic disease among people of European descent.

We were told it was a genetic disease, usually carried by the father.

Another special case is where one member of a couple has a severe genetic disease.

"I learned from the literature he has done very good studies on common genetic diseases," she said.

"His mother died young of some rare genetic disease," the woman said.

As with most genetic diseases there is no way to prevent the entire disease.

"I have this theory that death is a genetic disease," he said.

Thus, cancer is actually a genetic disease of the cell.