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Heart and blood pressure: blood pressure

High blood pressure and blood vessels. What people try, how far the research on each has got, and the products that contain them.

What people try

4Knowing and controlling your blood pressureStage 4 · Widely recommended · Checks at doctors' offices and pharmacies; treatment by prescriptionHigh blood pressure, also called hypertension, is a key risk factor for heart disease and stroke, and it can be measured and managed.Main risk: Uncontrolled high blood pressure is a risk factor for heart attack, stroke, and congestive heart failure.4Home blood pressure monitorsStage 4 · Widely recommended · Over the counter at pharmacies and onlineHome blood pressure monitoring means people measure their own blood pressure outside a clinic, using a home device.Main risk: Home monitors might not always be correct, and they do not replace medical visits.4Drinking less alcoholStage 4 · Widely recommended · FreeDrinking less alcohol means cutting back on how much you drink, which is better for health than drinking more.Main risk: Taking aspirin and drinking raises the risk of stomach or intestinal bleeding.4Healthy eating patterns (Mediterranean, DASH, whole foods)Stage 4 · Widely recommended · Free; a change in eatingThe Mediterranean diet is a plant-focused eating plan based on the traditional foods and cooking methods of the Mediterranean region.Main risk: It says people may have lower iron levels.4Too much sittingStage 4 · Widely recommended · FreeToo much sitting means long periods of low-energy time spent sitting, reclining or lying while awake.Main risk: Adults who sit a lot are linked to higher rates of death from any cause, heart disease and cancer.2MagnesiumStage 2 · Small studies in people · Over-the-counter supplementMagnesium is a mineral the body needs, found in foods, supplements, and some medicines such as antacids and laxatives.Main risk: High doses from supplements or medicines often cause diarrhea, which can come with nausea and belly cramping.

Products

Sorted by the best research stage of each product's ingredients, then by price. The stage describes research on the ingredient, not proof that the product works.

Supplements 3

Devices 8

Recent research

See all the latest research →

What others are writing

Recent articles from health journalists, hospitals and universities. We link to them; we don't write or endorse them.

Cleveland Clinic · Sep 4, 2026

Magnesium for Sleep: Does It Really Work? ↗

Magnesium: The article says evidence that magnesium aids sleep is thin and more research is needed before routine recommendation.

news.harvard.edu · Samantha Laine Perfas · Jun 17, 2026

A clearer picture of drinking and disease ↗

Drinking less alcohol: A new review finds some alcohol-related damage can be slowed or reversed by cutting down or quitting drinking.

hsph.harvard.edu · Maya Brownstein · Jun 2, 2026

Alcohol is the root of 62 diseases and a partial cause of dozens more ↗

Drinking less alcohol: The review finds alcohol causes dozens of diseases, and cutting down or quitting can slow or reverse many of them.

CNN · Kristen Rogers · Mar 13, 2026

Using magnesium supplements for sleep is all the rage. What to know ↗

Magnesium: CNN reports that experts say academic research does not definitively show magnesium supplements improve sleep, though some use may be worthwhile.

This is general information gathered from the sources listed, not medical advice. Talk to your doctor before starting anything new.