What is bright disease and why is it difficult to treat?
Bright disease:
Diseases of brain are hard to treat. When a virus or bacteria infects the brain, it is very difficult to treat and is usually deadly. Why is it so? In the module it is given that parts of central nervous system have high security, then how does the brain get infected?
We know OPV vaccine is there for polio which is a viral disease then why this question is there "why it is difficult to develop vaccine for viral disease".
What is the most difficult personality disorder to treat?