The official protein RDA has stood since the 1970s. New research on aging and muscle loss suggests it may be far too low for a meaningful share of older adults.
Studies from recent Ramadan seasons tie dawn-to-dusk fasting to real metabolic gains, but the benefits depend heavily on what happens after iftar each night.
Iron deficiency is the most common nutrient shortfall in the world and the most misdiagnosed by people who feel tired. Absorption depends on the form, the meal and the timing more than on the amount, and a blood test settles what a supplement guesses.
No more banned-food lists. Current diabetes nutrition guidance leans on carbohydrate quality and a simple divided plate, not counting or deprivation lists.