High blood pressure can be surprisingly easy to ignore. You may feel completely normal while every heartbeat is pushing blood against your artery walls with more force than they are designed to handle. That is one reason hypertension is often called a “silent” condition. According to the World Health Organization, around 1.4 billion adults aged … Read more
A heart attack may feel like a sudden event, but the biological story behind it often begins years earlier. Slow changes inside the coronary arteries can gradually reduce blood flow to the heart. Then, sometimes within minutes, a disrupted plaque and newly formed blood clot can transform a relatively stable condition into a medical emergency. … Read more
Atherosclerosis does not usually appear overnight. Long before someone develops chest pain, a heart attack, or a stroke, subtle changes may already be taking place inside the walls of their arteries. At first, the artery may look almost normal. Over time, however, cholesterol-rich particles can accumulate within the arterial wall, inflammatory cells arrive, and a … Read more