The test could conceivably help parents who are worried about gender-related diseases, but it could also allow people to wade into the morally murky waters of sex selection. The test analyzes fetal DNA found in a mother's blood, according to a report in the New York Times.
As most dementia is associated with Alzheimer's, dementia typically worsens with age. Unlike delirium, which is reversible, dementia is frequently caused by permanent damage to the brain's nerve cells. This damage can be caused by things like other illnesses, injuries, and even the genetic make-up of a person.
Delirium is an impaired mental state in which people become confused, with difficulty with attention and concentration. They may have hallucinations or delusions. They may not know who they are or know the day, time or where they are. Delirium has a rapid onset and is organic (not psychological) in origen.