Ritalin can eliminate undesirable symptoms, but it can also have unpleasant side effects, such as insomnia, increased anxiety, and nervousness.
उसकी सलाह है कि यह “निश्‍चित करना कि कोई भी नैदानिक क़सर नहीं छोड़ी गयी है । ” ए. डी. एच.