Health & nutrition

Research-based articles on heart and kidney health, hydration, protein, bone health, food safety and everyday healthy habits.

Heart, kidneys & hydration

Nutrition

Calcium, Vitamin D and Exercise for Strong BonesHow much calcium you need, the best food sources, when supplements make sense, vitamin D, and the weight-bearing exercise that builds bone. Animal vs. Plant Protein: What Your Body NeedsHow much protein you need, complete and incomplete proteins, what animal foods provide (B12, iron, zinc) and how to cover your needs on a plant-based diet. Protein Shakes: Benefits, Risks and Who Needs ThemWhen a protein shake is useful — after training, in older age, with low appetite — what to look for on the label and when food is the better choice. Which Dairy Product Is Best for You?Milk, yogurt, kefir, cheese and plant drinks compared: protein, calcium, sugar and sodium — and how dairy fits a heart-healthy diet. Is Corn Healthy for You or Not?Whole corn, popcorn, corn flour and corn syrup are very different foods. Nutrients, blood sugar effects and how to eat corn the healthy way. Dark Chocolate: Health Benefits and How MuchCocoa flavanols can modestly lower blood pressure and support blood vessels. What the evidence shows, how to choose dark chocolate and a sensible portion. 4 Health Benefits of RaisinsFiber, potassium, iron and antioxidants: what raisins offer, how they affect blood sugar and blood pressure, and how much is a sensible snack. How Plant Foods Support Your Immune SystemVitamins C and A, folate, fiber and a healthy gut microbiome: how fruit, vegetables, legumes and whole grains support immune function — without the hype. Gluten: What It Is and How It Affects HealthCeliac disease, wheat allergy and non-celiac gluten sensitivity explained — how they are diagnosed and who actually benefits from a gluten-free diet.

Everyday habits

Blood pressure guides →