Early morning sex at least three times a week can reduce the risk of stroke and heart attack, according to a study conducted by Queen’s University in Belfast, Northern Ireland. If sex is scheduled more often in the evening, but regularly, it can also improve Blood circulation, lower blood pressure. 　　The researchers explained that six or seven o’clock in the morning is the time when male androgen secretion is more vigorous. If you have sex once a week at this time, it can greatly relieve the symptoms of arthritis and migraine. At the same time, it can also burn 300 calories, effectively reducing the risk of diabetes. If the frequency…