hello, You shouldn t be worried at this stage, you should buy one bp apparatus and monitor your blood pressure. Of your blood pressure is high persistently then you will some investigation. yes stress and exertion can certainly raise blood pressure. You should have a healthy lifestyle like avoiding fatty, oily and high calorie diet. Have low salt diet and monitor blood pressure regularly thrice a day for one week then once or twice a week. Regular exercises like brisk walking, jogging according your capacity atleast 30 min a day and 5 days a week. Lots of green leafy vegetables, fruits, fish once or twice a week, avoid meat. Avoid smoking and alcohol if any. There shouldn t abdominal fat deposition or obesity. If bp is more than 140/90 persistently then You should undergo test like kidney function test, renal artery Doppler, Sr cortisol and 24 hr Urinary metanephrines.