No , radiation and Agent Orange have no connection
See website: Agent Orange
yes
he surely did
yes
Kmha
yes
Agent Orange affected many people. Such as varying diseases and child abnormalities. It is not known for certain that Agent Orange is also an influence to Cancer.
Alzheimer's Disease is not known to be caused by an infectious agent. The disease's cause is still being investigated. Even if it were caused by an infectious agent, it would not likely be used for bioterrorism because the disease process tends to be slow.
You will need to get a PERSONAL doctors diagnosis to answer this.
Yes, it is possible
No, Alzheimer's is cause by deterioration of brain cells.