Motivation to Swim Deeper. The challenge of overcoming fear of deep water can be one motivating factor for venturing out over your head, but other attractions include the desire to explore a new environment and the sheer pleasure of freedom from gravity experienced when swimming in deep water.
Over time, symptoms like hypertension or varicose veins may develop as the circulatory system becomes damaged. Individuals may become short of breath, develop fluid in their lung, suffer from water retention or have a heart attack. Heart disease can cause numerous symptoms and other medical conditions.
Factors that can cause your heart to work harder include: 1  High blood pressure (hypertension). This is the most common cause of left ventricular hypertrophy. More than one-third of people show evidence of left ventricular hypertrophy at the time of their diagnosis with hypertension.  Aortic valve stenosis.