In TODAY.com's Expert Tip of the Day, a cardiologist explains why neglecting your "second heart" can lead to health ...

How Smoking Attacks the Heart and Vessels. Cigarette smoke delivers a toxic cocktail of nicotine, carbon monoxide and thousands of other chemicals into the bloodstream.

Learn How the Heart Works. Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and ...

How does lupus affect the heart, lungs, and blood? Your heart, blood vessels, and lungs work together to circulate blood throughout your body. Lupus can affect each of these body parts in different ...

The UCLA advance opens the door to growing other vascularized organ models, including intestines and colons, providing ...

“They don’t really make branched vessels with passageways,” Abilez said. In the recently published study, the team set out to optimize a chemical recipe to grow heart organoids that could reliably ...

Exercise strengthens your heart so it can pump blood with less work. When a strong heart pumps blood efficiently, it lowers the pressure on blood vessels. 7. You smoke or chew tobacco. Nicotine in ...

Medically reviewed by Christopher Lee, MD A heart attack and stroke are both serious health conditions that occur when there's a blockage in the arteries (blood vessels). This blockage causes a ...

When blood vessels narrow or become obstructed, the heart must work harder to pump blood throughout the body. This increased workload can lead to heart enlargement, weakening, and eventually heart ...

A widowmaker heart attack happens when a key blood vessel -- the left anterior descending artery -- is blocked. The LAD provides about 50% of the blood to your heart. This type of heart attack has ...

Even brief periods of anger caused by triggering memories can negatively impact our blood vessels' ability to relax. ... View 1 Image 1 / 1 ... researchers took their blood pressure, heart rate, ...

Hypertension (high blood pressure) can damage your heart and blood vessels and increase your risk of heart attack, stroke, ...