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 […]

SimpleScience@Heart: Virtual therapy may help stroke survivors recover

Virtual reality may one day help people recover from stroke.

In a study presented at the American Heart Association’s Scientific Sessions 2013, researchers tested a new brain-computer interface on six stroke survivors with impaired arm and hand movement. The patients reached out for a glass of tea or water with […]

SimpleScience@Heart: One minute CPR video helps people gain life-saving skill

Just one minute of CPR video training for bystanders in a shopping mall could save lives in emergencies, according to research presented at the American Heart Association’s Scientific Sessions 2013.

Researchers used a one-minute CPR video to improve responsiveness and teach compression only CPR to people with no CPR experience.

Participants […]