High-protein diets can increase kidney filtration, which is sometimes interpreted as kidney stress or damage. The latest randomized evidence does not show consistent kidney injury in adults without chronic kidney disease, but long-term uncertainty remains and the answer changes substantially if kidney disease is already present.
Practical Health Science Editorial Team
6 min read
Sep 3, 2026
Seed oils such as canola, soybean, corn, and sunflower oil are often described as inflammatory or toxic. But randomized trials and large observational studies do not support many of the strongest claims. The real uncertainties involve food context, repeated high heat cooking, and what these oils replace in the diet.
Practical Health Science Editorial Team
8 min read
Sep 2, 2026