Cardiovascular disease is the leading cause of death in the United States and while some individuals are more likely to have heart issues due to hereditary conditions and genes, it's good practice to keep an eye on blood pressure levels with regular visits to a doctor or via home blood pressure monitors because even individuals with zero risk factors can develop issues if blood pressure is left unchecked. A safe blood pressure range for a healthy adult is generally between 110 to 120 for the higher number and around 70 to 74 for the lower number.