The Protein RDA Is 0.8 g/kg. Many Scientists Say That Is Not Enough
The official protein RDA is 0.8 grams per kilogram of body weight, but many researchers argue adults need more. What the evidence shows.
Nutrition
What the science and the official guidelines say about what to eat, how much, and why the numbers matter.
All articles in Nutrition
Mediterranean Diet: Read the Trial Before the Ranking
Distinguish diet rankings from PREDIMED's cardiovascular findings, its reanalysis and practical food substitutions.
Most Adults Get Half the Fiber They Need — and It Shows
Average fiber intake sits near 15 grams a day against targets of 25 to 38 grams. A 2019 Lancet meta-analysis shows what that gap costs.
The WHO Sugar Limit Is 10% of Calories. Most of Us Double It
The WHO recommends keeping free sugars below 10 percent of calories, with 5 percent as the further target. Average intake sits near 13 percent.
Ultra-Processed Food Linked to 32 Health Harms in Landmark Review
A 2024 BMJ umbrella review of 45 meta-analyses linked ultra-processed food to 32 adverse health outcomes. Here is what the evidence says.
How Much Water Do You Actually Need? The Official Numbers
NASEM sets total water adequate intakes of 3.7 liters a day for men and 2.7 for women, counting food. The 8x8 rule has no research behind it.
