It will be awesome if SENS is successfully implemented and aging is defeated. SENS therapies might help to stop and reverse the aging process in humans. SENS might help to significantly increase the average human lifespan and healthspan. The first person to live to 1,000 years might already be alive.
I learned about SENS in the book Ending Aging by Aubrey de Grey and Michael Rae.
Checkout that sub Reddit if you want to learn more, or read the book Ending Aging.
The plot of this White Mirror episode would be based on the premise that SENS is successfully implemented.
Psychiatry is inquisitorial. You are guilty of having a mental illness if you are diagnosed with a mental disorder and there is no way to prove psychiatric innocence. If you try to demonstrate that you don't have a mental illness it is just evidence of being more out of touch with reality.
Read the book Insanity: The Idea and Its Consequences by psychiatrist Thomas Szasz.
I might guess that learning about the ideas of psychiatrist Thomas Szasz might lower one's risk of being diagnosed with schizophrenia. Szasz wrote about 35 books.
You are entitled to weird beliefs. You are entitled to free speech.
Schizophrenia is diagnosed subjectively. There is no scientifically objective way to diagnose schizophrenia.
Be sure not to be a danger to your own self nor anyone else.