We’re likely over-consuming the world’s most profitable nutrient – and it’s wrecking our waistlines. BBC | October 29, 2026

https://geneticliteracyproject.org/2026/10/29/were-likely-over-consuming-the-worlds-most-profitable-nutrient-and-its-wrecking-our-waistlines/ Protein has become the darling of the grocery aisle, stamped on everything from cereal to snack bars. But as BBC Science Focus’s Jessica Bradley reports, most of us already eat more protein than we need — and the surplus is more likely to widen waistlines than build muscle.