Introduction to Blood Circulation and Fitness Blood circulation is one of those things we rarely think about until something goes wrong. Yet, it quietly keeps us alive every second of the day. The good news? Fitness plays a powerful role in keeping your blood flowing smoothly. Whether you’re 18 or 65, regular physical activity can dramatically improve circulation and overall health. Let’s break it all down in simple, practical terms. What Is Blood Circulation? Blood circulation is the process by which your heart pumps blood throughout your body. This blood carries oxygen, nutrients, hormones, and removes waste products like carbon dioxide. Think of it as a delivery and cleanup service running 24/7. Why Blood Circulation Matters for Adults Over 18 As we grow older, poor circulation becomes more common due to sedentary lifestyles, stress, poor diet, and lack of exercise. Good blood flow helps prevent fatigue, numbness, swelling, heart disease, and even cognitive decline. That’s why fitne...