Bariatric surgery · Obesity and metabolism
High cholesterol
Understand a usually silent blood-lipid abnormality and its link with cardiovascular risk.
Editorial publication · Medical review pending.
Understand
High cholesterol means excess amounts of certain fats circulate in the blood and can contribute to plaque in arteries.
Possible symptoms
It usually causes no symptoms and is found on a blood test; some inherited forms can produce visible fatty deposits.
Causes and associated factors
Saturated fat intake, low activity, excess weight, smoking, alcohol, age, health conditions and inherited factors can contribute.
Diagnosis
A blood test measures total, LDL and HDL cholesterol and triglycerides, interpreted with overall cardiovascular risk.
Tests
Assessment may include glucose, blood pressure, thyroid, kidney or liver function and checks for an inherited disorder.
Course of the condition
Persistent high levels gradually promote atherosclerosis and increase heart attack and stroke risk.
Care options
Suitable food choices, activity, stopping smoking and weight management help; a statin or another medicine depends on risk.
When to consult
Ask for testing according to age, family history and risk factors, or to monitor treatment.
Urgent help
High cholesterol itself is not an emergency, but persistent chest pain or stroke signs require emergency services.
Questions for your doctor
- Which factors explain my situation?
- Which tests and measurements should be monitored?
- Which medical, nutritional or behavioural options can we try?
- When would bariatric surgery be discussed?
- Which signs require urgent assessment?
Continue reading
A procedure linked to a condition does not establish an indication for your individual situation.
Our articles
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- NHS — High cholesterol
Accessed on September 15, 2026