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High cholesterol: the enemy you can't feel
“How to reduce cholesterol?” is among the most Googled health questions in the U.S. (CNN, 2023). And there's reason for concern: high cholesterol causes no symptoms, yet it silently clogs arteries.
Educational content prepared with official health sources. Professional medical review pending.
No personalized diagnoses: consult your doctor.
What is cholesterol?
Cholesterol is a necessary fat: the body uses it to build cells and hormones, and the liver makes most of it. The problem isn't having it — it's having too much of the bad kind circulating in the blood.
On your lab results you'll see:
- LDL ("bad cholesterol"): the kind that sticks to artery walls and forms plaque. Lower is better.
- HDL ("good cholesterol"): the kind that helps carry excess back to the liver. Higher is better.
- Triglycerides: another blood fat best kept low.
Think of LDL as delivery trucks dropping cargo (plaque) on artery walls, and HDL as the cleanup crew hauling it away. Treatment and healthy habits aim for fewer delivery trucks and a bigger cleanup crew.
Symptoms
Early signs: there are none
High cholesterol doesn't hurt, can't be felt, and can't be seen. No dizziness, no headache, no "thick blood" warning you. The only way to know your number is a blood test.
Warning signs
Once cholesterol has done damage, what shows up are the consequences:
- Chest pain or tightness with exertion.
- Shortness of breath doing something you used to do easily.
- Numbness or leg pain when walking.
These are already signs of affected arteries: don't wait to feel them before getting checked.
⚠️ When to see a doctor soon
- You've never had a lipid panel (the cholesterol test) and you're over 40, or have a family history of heart attacks.
- You take cholesterol medication and have severe muscle pain or weakness that won't quit: report it — don't stop it on your own.
- You have chest pain or shortness of breath: that's an emergency — call 911.
Causes
The liver makes cholesterol every day; food adds or subtracts. Saturated fats (fried foods, cold cuts, lard, excess whole dairy, industrial pastries) raise LDL. Lack of physical activity lowers HDL. And there's a hereditary component: some families produce more cholesterol even when eating well. The good news: food choices and daily movement can shift these numbers — your liver and your habits work as a team.
Risk factors
- Family history of high cholesterol or early heart attacks.
- Diet heavy in fried foods, cold cuts, and ultra-processed products.
- Little physical activity.
- Smoking: lowers good cholesterol.
- Excess weight, diabetes, or high blood pressure.
- Age: over the years the body processes it worse.
Complications
High LDL, over the years, forms plaque in the arteries (atherosclerosis). Plaque hardens and narrows blood flow:
- If a heart artery clogs: heart attack.
- If a brain artery clogs: stroke.
- If leg arteries narrow: pain when walking and poor circulation.
The process takes years and can be slowed: arteries respond to habit changes and treatment. Many people bring their numbers down significantly within months of consistent changes.
What you can do
- More fiber: oats, beans, lentils, vegetables, and whole fruit help lower LDL.
- Fewer fried foods and cold cuts; cook with little oil and prefer grilled, boiled, or baked.
- Move 30 minutes a day: walking raises HDL (the good kind).
- If you smoke, quit: it's one of the biggest boosters of good cholesterol.
- Get your lipid panel as your doctor advises, and take medication as prescribed if it was ordered for you.
Frequently asked questions
Is it normal to have high cholesterol if I'm thin?
Yes, it happens. Cholesterol has a strong hereditary component: some thin people have high LDL and some heavier people have normal numbers. That's why the lab test matters more than the mirror.
Do eggs raise cholesterol?
Eggs raise blood cholesterol less than once believed; what raises it most are saturated fats (fried foods, cold cuts, lard). Most people can eat eggs in moderation within a balanced diet.
Is cholesterol medication for life?
Often it's long-term treatment, because the body keeps making cholesterol. Only your doctor can adjust or stop the dose: don't do it on your own even if your numbers improve.
Do “cholesterol” juices or teas work?
No juice, tea, or supplement lowers cholesterol on its own in any proven way. What does work: diet, movement, and — when needed — medication prescribed by a professional.
At what age should I check my cholesterol?
A first lipid panel in early adulthood makes sense, repeated based on your risk — more often after 40. If early heart attacks run in your family, don't wait: ask for it at your next visit.
References
- CNN (2023, via saludiario.com): “How to reduce cholesterol?” among the most Googled health questions in the U.S.
- Dr. Juan Rivera, cardiologist and Univision medical correspondent, in this video on his channel.
- MedlinePlus: medlineplus.gov
Notice: Educational content. Not medical advice and not a substitute for consulting a healthcare professional. If you have symptoms or an emergency, call your doctor or 911.