Does stress affects the people with history of bipolar disordee?

Yes: Stress affects everybody. It's imperative to learn good stress-management techniques; awareness of symptoms and triggers of the episode; having routines to make your environment predictable. Exercise, good nutrition, practicing relaxation, and good sleep hygiene. Creating a crisis card for when the "episode comes", so people familiar with your situation could find you help.

Yes: Like all of us - stress impacts the mood of those with bipolar disorder. A solution is acceptance of our stress - rather than to try to ale it go away.