American Heart Association

SimpleScience@Heart: Caffeine may perk up your blood vessels

Caffeine could help your small blood vessels work better.

In a recent study of 27 healthy people 22-30 years old, those who drank 5 ounces of caffeinated coffee had better blood flow in their fingers over the next hour compared to those who had decaffeinated coffee.

Measuring blood flow in a […]

SimpleScience@Heart: Bedtime aspirin may reduce risk of morning heart attack

Taking aspirin at bedtime instead of in the morning might reduce acute heart events, according a new study presented at the American Heart Association’s Scientific Sessions 2013.

Low-dose daily aspirin is recommended for people at high risk of heart disease and for reducing the risk of recurrent heart events. Aspirin […]

SimpleScience@Heart: Sudden cardiac arrest not always so sudden

Sudden cardiac arrest may not always be so sudden.

In a study presented at the American Heart Association’s Scientific Sessions 2013, more than half of 567 men who experienced cardiac arrest had prior symptoms. Most of the symptoms — including chest pain, shortness of breath, dizziness, faintness or palpitations — […]

SimpleScience@Heart: Kids less fit today than those in 1970s

Your kids may not be as fit as you when you were their age.

Cardiovascular endurance has significantly declined in children 9-17 years old compared with kids the same age 30 years ago, according to a new study.

Today, kids run about a minute and half slower than children 30 years […]

SimpleScience@Heart: Hearty magic act: Disappearing stent keeps arteries open three years

Propping open clogged heart arteries with a “disappearing stent” has worked well for three years in the first people implanted with the unique device, according to research presented at the American Heart Association’s Scientific Sessions 2013.

The new bioabsorbable magnesium stent is a drug-releasing tube that is reabsorbed over time, […]

SimpleScience@Heart: Sesame Street characters teach heart-healthy lessons to preschoolers

When Sesame Street characters talk about heart health, your kids may listen — and learn.

After five months of lessons from Sesame Street characters, preschoolers in Bogotá, Colombia improved their habits, attitude and knowledge about a heart-healthy lifestyle and were more likely to be at a healthy weight.

The kids’ parents […]

Lowering cardiac arrest patients’ body temperature on way to hospital did not help outcomes

Lowering cardiac arrest patients’ body temperature with cold intravenous fluids right after resuscitation and on the way to the hospital didn’t help survival or neurological outcome, according to a late-breaking clinical trial presented at the American Heart Association’s Scientific Sessions 2013.
With a cardiac arrest, the heart stops beating and as […]

Childhood cancer treatment takes toll on hearts of survivors

Cancer treatment takes a toll on the hearts of child survivors, according to research presented at the American Heart Association’s Scientific Sessions 2013.

Cancer is the leading cause of disease-related death among U.S. children, but the rate of survival has increased significantly from a 5-year survival rate of 58.1 percent […]

Environmental toxins linked to heart defects

Children’s congenital heart defects may be associated with their mothers’ exposure to specific mixtures of environmental toxins during pregnancy, according to research presented at the American Heart Association’s Scientific Sessions 2013.
Congenital heart defects occur when the heart or blood vessels near the heart don’t develop normally before birth. Defects may […]

New collaboration expanding science of world-renowned heart studies

A new collaborative research relationship between the American Heart Association, the University of Mississippi and Boston University, representing a bold vision for cardiovascular population science, was announced Sunday during the American Heart Association’s Scientific Sessions.

The collaboration has a vision of greatly expanding important population studies by adding more research subjects, […]