New Cholesterol Guidelines Are Here: Doctors Share the Biggest Changes

Here’s some exciting news for your heart: The rules around cholesterol just got simpler, smarter and more personalized with an earlier start on primary prevention. On March 13, the American College of Cardiology and American Heart Association released updated cholesterol guidelines that could help you prevent heart disease decades before it starts by giving you clearer, easier-to-understand targets to work toward. And if you saw headlines about the update but didn’t have time to sift through more than 100 pages of recommendations, we’ve got you covered. We asked top cardiologists to break down the biggest changes and what they could mean for your health. 

What is cholesterol? 

“Cholesterol is a waxy, fat-like substance that your body uses to make cell membranes, hormones, vitamin D and bile acids,” says Bharat Sangani, MD, a cardiologist with practices in Gulfport, Mississippi and Dallas. “Your liver makes all the cholesterol you need. The issue is not that cholesterol exists; it is that too much atherogenic cholesterol, especially ‘bad’ LDL cholesterol, can build up in artery walls and raise the risk of heart attack and stroke. [‘Good’] HDL helps carry cholesterol back to the liver.” 

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The new 2026 cholesterol guidelines

Start here for a quick primer on healthy cholesterol levels for your age. Then have a look below to see what’s changed in this year’s cholesterol guidelines update. 

Earlier risk assessment age

Adults in their 30s and up are now included in the risk assessment group rather than adults 40 and up, explains Kardie Tobb, DO, MS, FASPC, FACC, a board‑certified preventive cardiologist and medical director for the Cone Health HeartCare Women’s heart Health and Cardio-Obstetrics Clinic. She adds that the new guidelines expand risk assessment to adults ages 30 to 79 and consider both short and long-term risk.

What does it mean? Dr. Tobb says younger people will be screened for cholesterol issues, and screenings may happen even more often for those with risk factors like family history, high blood pressure, autoimmune disease or pregnancy complications such as preeclampsia.

More focus on lifetime prevention

“The new guidelines recognize that heart disease doesn’t develop overnight,” says Komal Patil-Sisodia, MD, physician and CEO/founder at Eastside Menopause & Metabolism. “It takes decades to develop. Instead of waiting until risk is high later in life, doctors are now looking at long-term [30-year] risk, not just 10-year risk, and are paying closer attention to people who have a high LDL when young or a strong family history of heart disease.”

What does it mean? This shift may lead to earlier lifestyle changes and, for some people, the use of medications so that plaque buildup is prevented long before a heart attack occurs, Dr. Tobb explains.

Clearer LDL cholesterol targets

The updated guidelines bring back specific LDL cholesterol goals, which were less emphasized in the 2018 recommendations, says Dr. Sangani. For people at low risk of heart disease, LDL should be under 100 mg/dL, while those at higher risk may be advised to aim for under 70 md/dL and those at very high risk for under 55 mg/dL, says Dr. Patil-Sisodia.

What does it mean? The updated approach is simpler, Dr. Patil-Sisodia says, since patients will know their target LDL number and whether they are on track.Dr. Tobb adds that some patients may be advised to aim for lower LDL levels than they were previously told, especially if they have a history of heart disease, diabetes, kidney disease or strong family risk.

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A new focus on Lp(a) testing

The new cholesterol guidelines highlight lipoprotein(a), or Lp(a), as an important risk marker and recommend one-time testing in adulthood, says Dr. Sangani.

“Lp(a) is a particle in the blood that looks a bit like LDL,” explains Dr. Tobb. “It is mostly genetics. [Being] born with high Lp(a) can significantly increase your risk of heart attack, stroke and aortic valve disease.”

What does it mean? “It can uncover a hidden risk if the rest of your cholesterol panel looks okay,” says Dr. Patil-Sisodia. “If the Lp(a) is high, your doctor may take a more proactive approach and recommend additional testing.”

The bottom line on the new cholesterol guidelines

The more we learn about how the body works, the better we get at protecting it. These updated guidelines give you clearer cholesterol targets, earlier screening options and a smarter roadmap to keep your heart healthy for decades to come.

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This content is not a substitute for professional medical advice or diagnosis. Always consult your physician before pursuing any treatment plan.