Summary:
- Weight isn’t the only factor: Normal-weight individuals who eat well and exercise regularly can still develop elevated cholesterol levels.
- Hormonal and metabolic influences: Conditions like hypothyroidism and life stages like menopause can impair how the body processes fat and raise cholesterol.
- Genetics play a major role: Familial hypercholesterolemia is a hereditary condition that causes abnormally high “bad” (LDL) cholesterol regardless of diet or body weight.
- Screening is crucial: Because high cholesterol typically presents no outward symptoms, regular screening is the most reliable way for people of all body types to catch and treat it early.
Adapted from an article originally published in Shin Min Daily News (新明日报), July 7, 2026, featuring insights from Dr Vikram Sonawane, Senior Consultant at the Harmony Thyroid, Endocrine & Diabetes Centre, Elizabeth Hospital.
The Myth
It’s a belief many of us hold — if you’re at a healthy weight and exercise regularly, cholesterol shouldn’t be something to worry about. But according to Dr Vikram Sonawane, this simply isn’t true.
The Reality
In his clinical practice, Dr Vikram has seen no shortage of patients with elevated cholesterol who are of normal weight, exercise regularly, and consider themselves perfectly healthy.
The truth is, cholesterol levels are influenced by a wide range of factors, and body weight is just one of them.
1. Hormones and Metabolism
Hormonal changes and metabolic conditions can significantly affect how the body processes fat and cholesterol. For example:
- Hypothyroidism (an underactive thyroid) reduces the body’s ability to clear LDL cholesterol, commonly known as “bad cholesterol”, from the bloodstream.
- Menopause brings hormonal shifts that can raise cholesterol levels in women, even if they’ve maintained a healthy weight their entire lives.
2. Family History
Many people are aware that diabetes, high blood pressure, and heart disease can run in families, but often overlook the fact that high cholesterol can be hereditary too.
Familial hypercholesterolemia is a genetic condition where patients have abnormally high LDL cholesterol regardless of their body weight, diet, or lifestyle. Because this condition typically has no obvious symptoms, many people don’t discover they have it until they experience a complication or until a family member is diagnosed first.
The Bottom Line
Having a normal body shape does not guarantee normal cholesterol. Looking healthy on the outside doesn’t mean your cardiovascular system is risk-free on the inside.
Regardless of your body type, regular cholesterol screening remains the most important way to catch problems early and get timely treatment.
Disclaimer: This article is for general informational purposes only and is not a substitute for professional medical advice. Please consult your doctor or healthcare provider for guidance specific to your health.