Lab Notes
Science & nutrition discoveries, curated daily from the latest research and video analyses
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Lab Notes: What Science Says About Cancer Screening, Weight Loss Drugs, and Night Shifts
Weekly evidence-based insights from the world of fitness and health research
This week's Lab Notes examines groundbreaking research on ovarian cancer screening effectiveness, a promising new weight loss medication called retatrutide, and how night shift work impacts metabolic health. We also fact-check a popular video claiming something in coffee protects memory.
April 2026 Lab Notes: Nitrate Power, Hamstring Secrets & the 97% Shingles Shield
Science-Backed Breakthroughs in Nutrition, Strength, and Aging
Dietary nitrate from beetroot slashes blood pressure as effectively as medication, new research reveals. Hamstring growth doesn't drive strength transfer between key lifts—neural adaptation does. And a new shingles vaccine offers 97% protection, even for seniors.
Salt, Strength, and HDL Secrets: 5 Science-Backed Fitness Breakthroughs This Week
New studies reveal what really happens to your heart, muscles, and blood pressure when you tweak diet and training
A potassium-enriched salt substitute slashes stroke risk, replacing carbs with protein or unsaturated fat reshapes protective HDL particles, and leucine supplements don't boost gains beyond adequate protein intake. Meanwhile, testosterone therapy is safer than ever, and sodium restriction works best for those with high blood pressure.