Small habits that can make a big difference to your cholesterol levels

Which of these habits are scientifically proven to lower LDL cholesterol?

“Most of these recommendations are supported by good scientific evidence and are part of internationally accepted heart-healthy lifestyle guidelines,” says Dr Chawla.

She explains that lentils, which are rich in soluble fibre, help reduce cholesterol absorption in the gut.

“A daily handful of unsalted nuts provides healthy unsaturated fats, fibre and plant sterols that can help lower LDL cholesterol,” she says.

Swapping refined flour for whole grains also has benefits. “Replacing refined grains with whole grains increases fibre intake, helps with weight management and can improve cholesterol levels,” Dr Chawla explains.

“Sources such as olive oil, mustard oil, avocados, seeds and fatty fish are far healthier than saturated and trans fats, which are known to increase LDL cholesterol,” she says.

Exercise and sleep also play an important role. “When combined with regular aerobic exercise, strength training improves cardiovascular health, supports weight loss and may improve lipid profiles. Adequate sleep is equally important because poor sleep has been linked to obesity, insulin resistance, inflammation and unfavourable cholesterol levels,” Dr Chawla adds.

She notes that while each habit may produce only modest reductions in LDL, their combined long-term effect can significantly reduce cardiovascular risk.

Meals to balance high LDL (Photo: Magnific)

Are lifestyle changes enough?

According to Dr Chawla, the answer depends on how high the LDL level is and a person’s overall cardiovascular risk. “For most people with mildly elevated LDL cholesterol, lifestyle changes are the first line of treatment and should always be encouraged,” she says.

Adopting a healthy diet, exercising regularly, maintaining a healthy weight, avoiding smoking, limiting alcohol and sleeping well can meaningfully improve cholesterol over weeks to months.

However, lifestyle changes alone may not be enough for everyone. “People with LDL cholesterol above 190 mg/dL, a history of heart attack or stroke, diabetes, chronic kidney disease or inherited conditions such as familial hypercholesterolaemia often require cholesterol-lowering medications like statins in addition to lifestyle changes,” Dr Chawla explains.

She stresses that treatment decisions are not based on LDL numbers alone. “We also consider age, blood pressure, diabetes, smoking status, family history and overall cardiovascular risk. Doctors usually reassess cholesterol after 8 to 12 weeks of lifestyle modifications before deciding whether medication is required,” she says.

 

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What mistakes should people avoid?

Dr Chawla says one of the biggest misconceptions is assuming that only overweight or inactive people develop high cholesterol. “Genetics plays a major role. Even people who are thin and physically active can have high LDL cholesterol,” she says.

Another common mistake is eliminating all fats from the diet. “The focus should be on reducing saturated and trans fats, not healthy unsaturated fats,” she explains.

She also cautions against relying on packaged foods labelled “low-fat” or “cholesterol-free.” “These products may still contain high amounts of sugar or refined carbohydrates, which can negatively affect heart health,” she says.

Equally important is regular monitoring. “You can’t feel high cholesterol through symptoms, so follow-up blood tests are essential. Some people stop taking prescribed medication once their cholesterol improves without consulting their doctor, increasing the risk of levels rising again,” Dr Chawla warns.

DISCLAIMER: This article is based on information from the public domain and/or the experts we spoke to. Always consult your health practitioner before starting any routine.