Can high cholesterol levels lead to heart attack or stroke? Top cardiologist answers 9 such questions
Levels of cholesterol are associated to coronary heart well being, however how a lot do we actually learn about its influence on our general well being? Dive into these 9 widespread questions on ldl cholesterol which might be answered by the highest heart specialist.
Ldl cholesterol is a waxy, fat-like substance present in your blood, important for constructing wholesome cells, making nutritional vitamins, and producing hormones. Your liver produces a lot of the ldl cholesterol your physique wants, whereas the remaining comes from dietary sources like saturated fat present in animal merchandise and processed meals. Whereas ldl cholesterol is critical for the wholesome functioning of the physique, having an excessive amount of of it could possibly result in harmful well being points like coronary heart illness and stroke. Excessive ldl cholesterol is chargeable for 3.6 million deaths yearly, in accordance with the World Coronary heart Federation, and is a serious danger issue for heart problems.
Right this moment we are going to discover a few of the commonest questions and misconceptions about ldl cholesterol, with insights from Dr Swarup Swaraj Pal, Sr. Guide Cardiovascular and Thoracic Surgeon.
Query 1: What’s the perfect ldl cholesterol degree for a wholesome coronary heart?
Dr Swarup Swaraj Pal: Levels of cholesterol are measured in milligrams per deciliter (mg/dL) by way of a blood take a look at generally known as a lipid panel or lipid profile. Listed below are the really useful ranges for whole ldl cholesterol in adults:
- A wholesome ldl cholesterol degree ought to be beneath 200 mg/dl.
- The borderline levels of cholesterol vary from 200 to 239 mg/dl.
- Excessive levels of cholesterol are 240 mg/dl or greater.
- Low levels of cholesterol are lower than 40 mg/dl for males and fewer than 50 mg/dl for ladies (HDL ldl cholesterol).
The American Coronary heart Affiliation (AHA) recommends that adults get their ldl cholesterol checked each 4-6 years beginning at age 20, as levels of cholesterol can start to rise throughout this time. The Facilities for Illness Management and Prevention recommends youngsters have their ldl cholesterol checked between ages 9–11 years and once more between ages 17–21 years. Listed below are the really useful ranges for whole ldl cholesterol in youngsters:
- Good levels of cholesterol are 170 mg/dl or much less.
- Borderline levels of cholesterol are 170-199 mg/dl.
- Excessive levels of cholesterol are 200 or greater mg/dl.
- Low levels of cholesterol lower than 40 mg/dl (HDL ldl cholesterol).
Query 2: What precisely are LDL and HDL, and the way does excessive LDL influence your coronary heart well being?
Dr Swarup Swaraj Pal: Ldl cholesterol is a waxy, fat-like substance within the physique, transported by way of the bloodstream by two important forms of lipoproteins:
- Excessive-density lipoprotein (HDL) or ‘good’ ldl cholesterol: HDL helps take away extra ldl cholesterol from cells, together with these within the arteries, which might cut back the danger of coronary heart illness and stroke.
- Low-density lipoprotein (LDL) or ‘unhealthy’ ldl cholesterol: LDL carries the vast majority of ldl cholesterol to cells all through the physique. When LDL ranges are excessive, it could possibly result in plaque buildup within the arteries, inflicting blockages that prohibit blood circulation to the center. Excessive LDL ranges improve the danger of coronary heart illness and stroke, as per the Facilities for Illness Management and Prevention.
Query 3: Past weight problems, what are the danger elements of excessive ldl cholesterol?
Dr Swarup Swaraj Pal: Many issues contribute to excessive ldl cholesterol, a few of which you’ll management and others you can not. Threat elements like poor dietary selections, sedentary existence, smoking cigarettes, consuming alcohol, genetic make-up, diabetes, hypertension, thyroid issues, kidney illnesses, and sure drugs can contribute to excessive levels of cholesterol. Aside from this, ladies after menopause and a household historical past of coronary heart illness may additionally improve your danger of excessive ldl cholesterol, suggests the Facilities for Illness Management and Prevention (CDC). These elements altogether can’t solely improve unhealthy levels of cholesterol but additionally influence your coronary heart well being.
Query 4: With weight problems turning into a rising situation in children and youths as per the World Well being Group, might this have an effect on their levels of cholesterol too?
Dr Swarup Swaraj Pal: Chubby is a situation of extreme fats deposits. It’s now more and more prevalent amongst youngsters and youngsters attributable to their sedentary life-style or unhealthy selections. In keeping with the World Well being Group, over 390 million youngsters and adolescents aged 5–19 years had been obese in 2022, together with 160 million who had been residing with weight problems. It not solely will increase the danger of excessive LDL and low HDL ldl cholesterol in youngsters however can even put you prone to sort 2 diabetes and coronary heart illness.
Query 5: At what age is the danger of unhealthy ldl cholesterol excessive? And what can we do to cut back its danger?
The chance of creating excessive ldl cholesterol rises after the age of 20, which is why it is very important have your ldl cholesterol checked each 4 to six years till the age of 40. For these with excessive ldl cholesterol, testing ought to happen each 1 to 2 years. After the age of 40, it is very important start getting ldl cholesterol checks yearly. Sufferers with coronary heart illness or who take cholesterol-lowering drugs might have checks extra continuously. Following a wholesome life-style—consuming a balanced food regimen, exercising commonly, and avoiding smoking or extreme consuming—might help cut back the danger. Common well being check-ups and screenings are additionally essential for early detection and well timed therapy.
Query 6: If excessive ldl cholesterol runs in my household, does that imply I’m extra more likely to develop it?
Dr Swarup Swaraj Pal: Some individuals are extra vulnerable to experiencing excessive LDL attributable to a household historical past of excessive ldl cholesterol. It’s because you will have inherited a genetic situation referred to as familial hypercholesterolemia (FH). If somebody from your loved ones has excessive levels of cholesterol or different coronary heart well being points, then going for normal checkups and making essential adjustments in your life-style is essential, explains the Facilities for Illness Management and Prevention (CDC).
Query 7: With coronary heart assaults on the rise amongst younger adults, what function does ldl cholesterol need to play right here?
Dr Swarup Swaraj Pal: Excessive levels of cholesterol can improve the danger of cardiovascular issues, together with coronary heart assaults. It’s because excessive levels of cholesterol can result in a buildup of plaque within the arteries whereas rising the danger of coronary heart assaults even in youthful adults. Different elements like unhealthy dietary selections, smoking, and an excessive amount of stress can even worsen the situation. Managing your levels of cholesterol early on might help stop coronary heart issues in later life.
Query 8: We all know that prime triglyceride ranges are dangerous for coronary heart illness, stroke, and coronary heart assault—how does this relate to ldl cholesterol?
Dr Swarup Swaraj Pal: Each triglycerides and ldl cholesterol are lipids discovered within the blood however they serve totally different features. Extra energy, alcohol, and sugar are transformed into triglycerides, which primarily retailer power as fats. In distinction, ldl cholesterol helps construct cells and produce sure hormones. Excessive ranges of triglycerides, together with excessive LDL (unhealthy) ldl cholesterol and low HDL (good) ldl cholesterol, can considerably improve the danger of coronary heart illness, together with coronary heart assaults and strokes in addition to vascular (blood vessel) issues.
Query 9: Statins are generally prescribed to decrease ldl cholesterol—are there any unwanted effects I ought to concentrate on?
Dr Swarup Swaraj Pal: To handle coronary heart well being and levels of cholesterol, staying bodily lively, consuming a nutritious diet full of greens, complete grains, and fruits, and common checkups are really useful. If life-style adjustments don’t decrease a affected person’s ldl cholesterol, or if the degrees are persistently excessive, medical doctors prescribe statins to lower levels of cholesterol. Statins are drugs that assist decrease LDL ldl cholesterol within the physique. The remedy prevents an enzyme that the liver wants for the manufacturing of LDL ldl cholesterol from affecting your coronary heart well being. Nevertheless, there may be varied unwanted effects when one takes statins the improper means. Comply with the dosage as really useful by the physician to keep away from any issues. Unmonitored dosage can result in muscle ache, liver harm, digestive points, complications, dizziness, and nausea.
