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lactose
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Why Your Ancestors Got a Superpower Most Mammals Don't Have
Most mammals can't digest milk as adults — and neither could most ancient humans. The evolution of lactase persistence is one of the fastest, strongest signals of natural
The Chemical Properties of Milk: Proteins, Fats, and Why It Behaves the Way It Does
Milk's unique chemistry, casein micelles, whey proteins, lactose, fat globules, pH ~6.7, explains why it curdles, froths, and transforms through heat and acid.