Step 1: Infect patients suffering from the later stages of syphilis with the parasite that causes malaria, the deadly but curable mosquito-borne disease.
They can be controversial and raise ethical problems (randomised-controlled trials, for example, might be possible only if some curable conditions were left untreated).
Well aren’t you the little psychologist? Our buddy’s having trouble sleeping , it’s easy and curable. It’s not something freakish like if he was a sleepwalker.
But if aging were recognized as a disease, he said, " It would attract funding and change the way we do health care. What matters is understanding that aging is curable."
That disease, malaria, has been with us for ever. The disease has killed perhaps half of all humans who have ever lived. Malaria is the world's greatest scourge, but it is preventable and curable.