The ashes can't be taken home?

Why can't the ashes be taken home because there has always been a saying that the dead and the living can't be in the same room, which will bring disasters and diseases to the living, indicating that the yin is too heavy. But this statement has not been scientifically confirmed.

On the contrary, now more and more people like to keep their ashes at home, not only because the cemetery is too expensive, but also because it is convenient for sacrifice. Now some families will design a small pavilion at home to store their family's ashes here.