New Cholesterol Guidelines Lower Screening Age to 30 and Set Clearer Targets

The American College of Cardiology and the American Heart Association released updated cholesterol guidelines in 2026, recommending that adults begin cholesterol screening at age 30 rather than 40. The change reflects growing evidence that cardiovascular risk factors develop earlier in life than previously recognized.

The new guidelines also set clearer targets for LDL cholesterol, often called "bad" cholesterol, and place greater emphasis on calculating 30-year cardiovascular risk rather than focusing only on 10-year projections. Doctors say the longer time horizon gives patients and physicians a more complete picture of lifetime risk.

One of the most significant additions to the guidelines is a recommendation for one-time lipoprotein(a) testing for all adults. Lipoprotein(a), also written as Lp(a), is a type of cholesterol particle that is largely determined by genetics and is associated with increased risk of heart attack and stroke. Many people with elevated Lp(a) have no other obvious risk factors.

"This is a test that most people have never had, but it can identify significant risk that would otherwise go undetected," said one cardiologist commenting on the guidelines.

The guidelines were reported by Woman's World as part of a broader look at 2026 health research affecting women over 50. Women are disproportionately affected by undiagnosed cardiovascular risk, and doctors say earlier screening could help close that gap.

Patients who have not had a cholesterol panel recently are encouraged to speak with their doctor about whether testing is appropriate. The guidelines are intended to guide clinical practice and do not replace individualized medical advice.