Mar 30, 2026Nutrition

Potassium Salt Substitutes: Lower Blood Pressure Safely?

Potassium salt substitutes lowered blood pressure in 23 RCTs and cut strokes in one major trial. Who benefits, and who should avoid them?

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Mar 30, 2026Circadian Health

Bedtime Aspirin and Blood Pressure: A Plausible Signal, Not Proof

Bedtime aspirin may modestly improve ambulatory blood pressure versus morning dosing, but disputed chronotherapy data and absent outcome trials limit conclusions.

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Mar 29, 2026Nutrition

Blood Pressure Supplements After 65: What Ranks First?

A network meta-analysis ranked tart cherry and nitrate supplements for blood pressure after 65. The rankings are intriguing, but no winner beat placebo.

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Mar 28, 2026Nutrition

Omega-3 and Atrial Fibrillation: What 34 Trials Actually Show

Does fish oil raise atrial fibrillation risk? A 34-trial analysis finds no significant risk at standard doses, while high-dose use needs nuance.

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Mar 28, 2026Nutrition

CoQ10 for Heart Failure: A Mortality Signal, Not Proof

CoQ10 reduced mortality and heart-failure hospitalizations in a review of trials. Why one promising signal still falls short of proven therapy.

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Mar 28, 2026Physical Activity

Walking Improved Heart Strain in a Small Type 2 Diabetes Trial

A 12-week walking trial improved cardiac strain, fitness, and resting heart rate in type 2 diabetes without HbA1c mediation. What it means.

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Mar 28, 2026Nutrition

27 Micronutrients, 884 Trials: What Prevents Heart Disease?

A JACC evidence map of 884 trials finds few supplements prevent cardiovascular events. See where omega-3, folate, CoQ10, and beta-carotene stand.

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Mar 28, 2026Physical Activity

Can 3 Minutes of Daily VILPA Lower Heart Risk in Women?

Brief vigorous lifestyle activity may reduce cardiovascular risk in non-exercising women. What UK Biobank data show, and what they cannot prove.

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Mar 27, 2026Nutrition

Fish Oil and HRV: Why a Slower Pulse Isn’t Better Vagal Tone

Does fish oil improve HRV? Four small RCTs found no consistent placebo-controlled effect, though DHA-rich fish oil can slow resting heart rate in adults.

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Mar 27, 2026Nutrition

Mediterranean Diet, Humanin, and a New Cardiac Hypothesis

A small 2026 study links Mediterranean diet adherence with Humanin and SHMOOSE. The mitochondrial mechanism is intriguing, but far from proven.

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Mar 26, 2026Physical Activity

Exercise Lowers Blood Pressure Before It Changes Cholesterol

For sedentary adults, 30–40 minutes of exercise can lower blood pressure while leaving LDL and triglycerides unchanged. What the evidence says.

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Mar 26, 2026Nutrition

DASH Lowers Average Blood Pressure, Not BP Variability

DASH reliably lowers average blood pressure, but trial reanalysis found no reduction in blood pressure variability. What that means for heart health.

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