Circulation
Coverage of Circulation in the Nexus archive.
- Coffee isn’t the heart risk doctors once thought, with one big caveat
A new statement from the American Heart Association indicates that for most adults, moderate caffeine intake from coffee appears safe and may be linked to cardiovascular benefits. The group established a typical upper limit of 400 milligrams of caffeine per day as generally safe, while warning against high doses found in energy drinks. Furthermore, black caffeinated coffee was specifically linked to a lower risk of developing Type 2 diabetes.
- Good news for coffee drinkers in the latest research on coffee and caffeine consumption
Research published in the journal 'Circulation' indicates that moderate coffee and caffeine consumption (up to five 8-ounce cups) is safe and beneficial for heart health, while exceeding this amount may lead to issues.
- The American Heart Association has a new number for daily coffee—and a warning if you go over it
The American Heart Association states up to 5 cups of caffeinated coffee daily (400 mg caffeine) is safe for most adults and may lower heart disease risk, but exceeding 4 cups could increase heart failure risk. Black coffee without additives is emphasized for benefits, while energy drinks are warned against due to high caffeine content.
- What to know about coconut oil claims
Coconut oil is 90% saturated fat, which raises cholesterol and heart disease risk, according to Mayo Clinic experts. Studies in the American Heart Association's journal Circulation confirm these risks, and the oil does not aid in blood sugar control, weight loss, or inflammation reduction. Despite 72% of Americans believing it's healthy, experts advise against using it as a primary fat source.
- What to know about coconut oil claims
Mayo Clinic experts state coconut oil, which is 90% saturated fat, does not boost health and raises cholesterol levels, increasing heart disease risk. Studies show it does not regulate blood sugar, aid weight loss, or reduce inflammation. Dr. Stephen Kopecky recommends alternatives like extra virgin olive oil or avocado oil instead of coconut oil.