Than on new years i smoked weed and for some reason i had a HUGE panic attack , i never had had a panic attack and had smoked a lot of weed and it never affected me that way . So than she says that i ca n't stay with her anymore , which i understood , but she hugs me and says that we 'll get through it . I still could n't sleep and did n't feel like myself . I ended up being hospitalized and got diagnosed with bipolar disorder . All that happened in California .
Question: What caused the narrator 's panic attack ?
The answer to the above question:


They had done drugs .