Tag : genetic abnormality

Older Fathers, Schizophrenic Children. Part 2

Statistically, a child fathered by a man older than age 40 has a one in 200 chance of having a genetic abnormality — not just schizophrenia. Consider this: While men make sperm throughout their lifetime, the older the man is the more gene mutations (or changes in the DNA code) there may be in his sperm because the sperm producing cells have had to duplicate so many times. read more