And it has been longtime studied by many scientists to find effective treatments.
A couple decades ago, a study suggested this disease is caused by the accumulation of a specific protein in the brain.
Until then, this discovery was really groundbreaking, which can allow to find treatments to cure the disease.
But, recenlty, some scientists strongly suspected this study might have been faked. If it is true, it will be extreamly scadalous.
All effort and money that have been spent will be probably for nothing.
We can realize how much hard moral hazard among scientists can affect human being.