Authenticity of a dua to be recited on Aashuraa

Q: There was a message going around on Aashurah day that read as follows: Zainul Aabideen is reported to have said that whoever reads the following duaa between sunrise and sunset on Aashurah will not die the following year, meaning this is a guarantee for his life for a year. And if a person is to die co incidentallly he will not read this duaa. And there was a long duaa mentioned after. Is there any authenticity to this?

Giving zakaat to one's brother

Q: We have a joint family system. I am financially stable but my elder brother is struggling to survive. He is married and his wife shares a kitchen with us.

My question is can i give Zakat to my elder brother? As i said we have a shared kitchen, so I'm afraid if i give Zakat to my elder brother and with that money he brings some food, so that food will be halal for me? Even though it is not my intention that my brother bring food and share with us, but if some day it happens then what should i do?