What are the primary triggers of stroke? Sex alcohol and stress are the leading candidates. A recent study conducted by AIIMS on 290 stroke victims found that stress alcohol and sex some of the common triggers for stroke in Indian men. The study found that high-risk activities are responsible stroke in 44% of the patients. In medical terms a trigger is something that immediately causes a stroke whereas ‘risk factors’ are lifestyle choices that increase the likelihood of strokes. ‘A small number of men 5 out of 210 (2.4%) said they had sexual intercourse about two hours before the stroke’