Look for what lowers energy levels in your body. Problems can be in the area of hormonal levels or the liver, as well as an imbalance in the nervous system, insomnia, which provoke asthenia. In lifestyle, the most likely causes are lack of sleep, lack of physical activity. A pressure of 100 to 50 is not the norm. With age, in most hypotensive patients, it will increase and already at the numbers 130 to 80 it will be felt as hypertension. And it is dangerous from the point of view of the risk of cerebrovascular accident.