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Are Weleda skincare products safe, effective, and worth the price? This critical narrative review examines botanical ingredients, dermatological safety, fragrance and lanolin allergies, independent European product testing, packaging, and comparative value.

Which types of exercise have the strongest evidence for healthy aging after 50? A narrative review of 47 sources on strength training, balance, tai chi, Pilates, flexibility and meditation, covering falls, physical function, cognition, mood and safety.

Creatine after 60: what does the evidence actually show? This narrative review examines muscle strength, sarcopenia, cognition, dosing, kidney and liver safety, medication considerations, and clinical monitoring in older adults.

Intermittent fasting has become a popular approach to weight management and metabolic health—but does it offer benefits beyond calorie restriction? This narrative review examines weight loss, autophagy, metabolic health, mental health, safety, religious fasting, and what happens when fasting stops.

What does science actually say about anti-inflammatory foods and diets? This evidence-based review examines Mediterranean-style eating, individual foods, and supplements, separating stronger evidence from popular claims and explaining what changes in inflammatory biomarkers really mean.

What really triggers psoriasis and psoriatic arthritis? This evidence-based narrative review examines diet, infections, allergens, physical trauma, environmental exposures, air pollution, microbiome changes, and other suspected triggers, separating established evidence from associations and unsupported claims.

How can GLP-1 obesity treatment remain effective over the long term? This evidence-based narrative review examines medication persistence, nutrition, physical activity, behavioral support, weight recurrence after treatment withdrawal, access barriers, and emerging strategies for sustainable GLP-1–based obesity treatment.

Is testosterone replacement therapy (TRT) an evidence-based strategy for healthy aging? This narrative review examines testosterone testing, hypogonadism, TRT benefits and risks, cardiovascular and prostate safety, current U.S. and European guidelines, and whether maintaining young-adult testosterone levels in older men is supported by current evidence.

How can type 2 diabetes be prevented or delayed in adults at high risk? This evidence-based narrative review examines prediabetes, impaired glucose tolerance, prior gestational diabetes, nutrition therapy, exercise, weight management, behavioral support, metformin, and newer obesity medications.

What actually helps preserve health and physical function after 50? This evidence-based narrative review examines resistance exercise, protein, creatine, nutritional supplements, telomere biology, NAD+ precursors, resveratrol, and cold exposure, separating meaningful functional benefits from unproven anti-aging claims.

Which topical treatments for plaque psoriasis actually work? This evidence-based review compares prescription and nonprescription therapies, including corticosteroids, vitamin-D analogues, roflumilast, tapinarof, moisturizers, urea, salicylic acid, and coal tar, separating direct antipsoriatic treatment from supportive skin care.

How should carbohydrates be managed in type 2 diabetes? This evidence-based review examines carbohydrate quantity and quality, fiber, glycemic index, mixed meals, fruit, protein and fat, meal timing, and CGM-guided personalized nutrition for better understanding of post-meal glucose responses.

Use this printable abnormal eGFR worksheet to record your kidney test results, prepare questions for your healthcare provider, review medications and supplements, and organize your follow-up plan. Click the image above to open, print, or download the worksheet.

What does an abnormal eGFR blood test mean, and what should you do next? This patient-centered review explains repeat testing, urine albumin (uACR), when CKD may be diagnosed, when to see a nephrologist or urologist, medication and supplement review, kidney nutrition, and questions to ask your healthcare provider.

How much calcium and vitamin D do adolescent girls and female athletes need? This evidence-based review explains when food is enough, when supplements may be appropriate, the role of magnesium and drinking water, and when menstrual health, laboratory testing, or DXA should be considered.

What foods, medications, and supplements require attention in chronic kidney disease? This evidence-based review examines kidney-safe nutrition and medication use across CKD stages, including NSAIDs, sodium, potassium, phosphorus, protein, supplements, and individualized strategies for kidney protection.

What works best for joint pain after 50? This evidence-based review compares exercise, weight loss, diclofenac, omega-3, glucosamine, chondroitin, curcumin, corticosteroid and hyaluronic acid injections, and PRP—examining effectiveness, safety, cost, and where each option may fit.

Which oral iron works best for iron-deficiency anemia in menstruating adolescent girls? This evidence-based review compares ferrous sulfate, ferric maltol, iron polymaltose, bisglycinate, liposomal and sucrosomial iron, including effectiveness, safety, tolerability, dosing strategies, and cost.

What treatments for erectile dysfunction actually work? This evidence-based review compares lifestyle and nutrition, dietary supplements such as L-arginine and ginseng, and medical treatments including sildenafil, tadalafil, vardenafil, and avanafil, examining effectiveness and safety.

Do probiotic supplements actually work, and do they contain what their labels claim? This evidence-based review examines probiotic quality, label accuracy, viable CFU counts, strain-specific effectiveness, gastrointestinal and weight-related outcomes, safety, and why one probiotic product cannot automatically substitute for another.