Heart Health Archive

Vasovagal syncope, a common cause of fainting, occurs when the vagus nerve becomes overstimulated in response to triggers such as stress or dehydration. Certain strategies, such as lying down and elevating the legs, help people avoid passing out.

Many people with atrial fibrillation — a rapid, irregular heart rhythm — need medications to control symptoms and lower their risk of stroke. These include drugs that slow down the heart, help restore its rhythm, and prevent blood clots.

There are many ways people can meet the guidelines for weekly activity besides running and walking. They can do activities like boxing, swimming, cycling, basketball, dancing, and pickleball; circuit training using gym machines; and exercising at home.

Costochondritis, which is inflammation of the cartilage between the ribs and the breastbone, is one of the most common causes of chest pain and is frequently mistaken for a heart attack.

ApoB is a protein that attaches to harmful fat particles in the blood to form lipoproteins, including low-density lipoprotein (LDL). An apolipoprotein B (apoB) test counts the number of LDL particles in the bloodstream as well as other particles that can contribute to clogged arteries and heart attacks.

Avocados have a mix of fiber, healthy fat, antioxidants, and key minerals that support heart health. But avocados aren’t low-calorie foods. They’re best added to the diet by swapping them for something else, such as subbing mashed avocado for butter on toast.

A 2025 study suggests that polyphenols, found in a wide range of plant foods, may have long-term benefits for the heart. Over an average of 11 years, people whose diets contained the most polyphenol-rich foods ranked lowest on scores of heart disease risk.

People with atrial fibrillation (afib) who drank an average of one cup of caffeinated coffee daily had a lower risk of recurrent afib compared to those who avoided caffeine, according to a 2025 study.

For stroke survivors, reaching a very low LDL (bad) cholesterol level may reduce their risk of future strokes and other cardiovascular problems, according to a 2025 study.