What lifestyle changes can have an immediate impact on blood pressure?

The correct answer highlights the importance of lifestyle changes that can lead to an immediate and significant impact on blood pressure levels. Reducing salt intake is particularly effective because high sodium consumption can lead to fluid retention, which increases blood volume and, consequently, blood pressure. By decreasing salt intake, individuals can often see a quick reduction in their blood pressure readings.

Increasing physical activity is another powerful change that contributes to better blood pressure control. Regular exercise strengthens the heart, improves circulation, and can help maintain a healthy weight. Even short bursts of physical activity can help lower blood pressure immediately, as exercise promotes vasodilation and improves the overall function of the cardiovascular system.

Other options, such as taking additional medications without consulting a doctor, can be risky and may not provide an immediate benefit; instead, they could lead to complications or adverse effects. Consuming more processed foods typically inflates sodium, unhealthy fats, and additives, worsening blood pressure issues. Increased caffeine consumption can lead to temporary spikes in blood pressure and is generally not recommended as a strategy for management or reduction of hypertension. Thus, the combination of reducing salt intake and increasing physical activity stands out as an effective approach for achieving immediate beneficial effects on blood pressure.