Did you know?

The heart beats about 100,000 times a day.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

High blood pressure often has no symptoms; the only way to know is to measure it.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

In women, a heart attack can show up as tiredness, nausea, or back or jaw pain, not only chest pain.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

A Holter records every heartbeat for 24 hours while you go about your day, even at night.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

An electrocardiogram is painless and takes a few minutes.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Lp(a) depends mostly on genetics; measuring it once in a lifetime is usually enough.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Loud snoring and pauses in breathing are linked to high blood pressure and arrhythmias.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

The World Health Organization recommends at least 150 minutes of moderate physical activity per week.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

The WHO recommends less than 5 g of salt per day (one teaspoon).

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Chagas disease can affect the heart many years after infection.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Before starting intense sport, especially after 35, a heart check-up is a good idea.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Having relatives with a heart attack before 55 (men) or 65 (women) is important information for your cardiologist.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

An LDL of 190 mg/dL or higher may be inherited; if that's you, your relatives should get checked too.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Normal blood pressure is below 120/80. From 130/80 it is already considered high.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

A white ring around the cornea before age 45 can be a sign of very high cholesterol.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Your cardiologist can estimate your 10- and 30-year cardiovascular risk with modern calculators that include kidney health.

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Reviewed by Dr. Rebeca Granada, cardiologist · RP 17.697 · 13/10/2026

Symptoms you may not link to your heart

This does not replace a medical visit. If these symptoms sound familiar, see a cardiologist.