or emotional stress—that eases when you rest. This kind of discomfort often stems from high blood pressure and poor blood flow to and from the heart.
Other warning signs include pain or swelling on the left side of the body, such as the left shoulder or arm. You may also find it harder to breathe, especially while walking, because your arteries aren’t delivering enough oxygen.
In some people, there are no symptoms at all. Plaque can silently build up
for decades before causing a major blockage. If left untreated,
