Researchers conducted a follow-up study of 10,000 men with an average age of 65 years to assess whether they had depression and the incidence of stroke. None of these people had a history of stroke at the beginning of the study. The study found that the persistence of severe depressive symptoms doubled the risk of stroke The above are related, and the risk of stroke is not increased in those who have no or less depressive symptoms. Patients who have had severe depressive symptoms, even if their symptoms have resolved in the intervening period, their stroke risk is still the same as those who have always had There was no significant difference compared with people with major depression. If the above statement is true, you can launch. ['Retrying depression is most likely to develop into a stroke.', 'Depression is also more common in stroke patients.', 'Having or have had major depression is a risk factor for stroke.', 'Depression and stroke are common diseases in the elderly and often develop together.']