Tip - How Long Do I Have to Fast Before Taking a Cholesterol Test? | LIVESTRONG.COM

The American Heart Association recommends cholesterol testing every 4 to 6 years for healthy people older than 20 as a method of predicting the likelihood of having a stroke or heart attack. Higher-than-normal levels of cholesterol in the blood may indicate the need for changes in diet and exercise habits, as well as medication prescribed by your...