Episode Overview

Podcast: New Books Network
Host: Dr. Melek Fra Talthai
Guest: Anne Mendelson, Author of "Spoiled: The Myth of Milk as Superfood" (Columbia UP, 2023)
Date: February 22, 2026

This episode explores the surprising history and science of milk with food historian Anne Mendelson. Drawing on her new book, "Spoiled: The Myth of Milk as Superfood," Mendelson challenges prevailing beliefs about milk as a universal superfood and examines its biological, historical, and cultural journey. The conversation delves into humanity’s relationship with milk, the evolution of dairy farming, the politics and realities of raw vs. pasteurized milk, and the environmental costs of the modern milk industry.

Key Discussion Points & Insights

1. Anne Mendelson’s Background and Interest in Milk

• Mendelson began her career as a medievalist focused on Chaucer; her shift to food writing was accidental but passionate. She was drawn to the subject of milk by childhood memories of small Pennsylvania farms and a vanished agricultural landscape.
  [03:29]
  Quote:

  "I started out as a medievalist studying the poetry of Geoffrey Chaucer...and kind of accidentally wandered into food writing." — Anne Mendelson (03:29)
  Her personal connection to traditional dairy farming shaped her perspective on the industrialization of milk.

2. Biology and Chemistry of Milk: Why Milk is Complicated

• Milk begins as the exclusive nutrition for newborn mammals, routed through evolutionary adaptation.
• Chemically, it’s a complex blend: a suspension (casein), an emulsion (fat globules), and a solution (notably of lactose).
  [06:54–12:24]
  Insight:
  • Most mammals, including humans, naturally lose the ability to digest lactose after infancy. Milk consumption by adults is only possible in populations with a genetic mutation for lactase persistence.

3. Lactase Persistence and Human Adaptation

• The mutation allowing lifelong lactase production emerged in prehistoric Europe (approx. 5000–2000 BC), enabling some people to digest milk into adulthood.
  [12:43]
  • This trait is still found only in around 30-35% of the global population.

4. Cultural Practices: Fermentation and Early Milk Use

• Early milk-consuming societies relied on fermented products like yogurt or kumis (fermented mare’s milk), which are digestible even for lactose-intolerant adults and safer due to natural preservation.
  [07:45; 17:42]
  • Kumis was once touted as a tuberculosis cure in 19th-century Europe and the US, even becoming a fad connected to President Garfield’s assassination and attempted healing.
    Quote:

  "In the middle of the 19th century, European scientists began to discover, aha, this is a perfect cure for tuberculosis...It tasted a little peculiar and it was impossible to make because the mares refused to give it any place except their own homeland." — Anne Mendelson (17:42)

5. Rise and Fall (and Rise) of Yogurt

• Yogurt entered Western mass culture via immigrant communities and the "probiotic" health fads inspired by scientists like Ilya Metchnikoff. However, the notion that yogurt could dramatically extend life was later abandoned.
  [21:01]
  Quote:

  "Yogurt took off in a big, big way...not because people liked it, but because they thought it might add 50 years to their lifespan." — Anne Mendelson (21:01)

• The product would resurface in popularity thanks to hippie and health food movements of the 1960s, and later commercialization with added sugar and flavorings.

6. The Advent and Cultural Power of Fluid Milk

• The popular image of milk as a health essential only took hold in 17th-century England among upper classes, gaining further traction with the industrial revolution and emerging public health doctrines.
  [28:26–32:17]
  Quote:

  "By about the year 1800, it was accepted wisdom that all children should drink cow's milk fresh by the pint liqueur as absolutely the most important food that can be poured into a tender young system." — Anne Mendelson (32:17)

• This push for unsoured, fresh milk ironically increased risks of disease before modern sanitation and pasteurization.

7. Pasteurization, Raw Milk, and Public Health

• Early milk markets were rife with contamination and pathogens. Pasteurization became the dominant technology to mitigate disease, but always came with advocates for raw milk produced under strict hygienic standards.
  [46:04–54:42]
  • Today, debate persists, with raw milk advocates emphasizing "purity" and personal freedom, while public health authorities press for safety and regulatory control.
    Quote:

  "One of the really attractive arguments about raw milk is that Americans are really devoted to the idea of individual rights...That argument is being made in dozens of state legislatures around the country." — Anne Mendelson (46:04)

8. Industrialization: Mega-Dairies and Animal Welfare

• The 20th century saw the rise of massive dairying operations, focused on maximizing yield with selected high-producing cows and concentrated feeds—often at the cost of cow health, environmental sustainability, and local communities.
  [38:49]
  • Small farmers were pushed out; mega-dairies dominate the industry, impacting water resources, air quality (methane), and animal welfare.
    Quote:

  "The economies of scale...ended up by almost transforming cows out of anything you would recognize as a cow." — Anne Mendelson (38:49)

9. The Taste and Reality of Modern Milk

• Supermarket milk is dramatically altered by homogenization, pasteurization, and industrial recombination—bearing little resemblance to traditional whole milk.
  [54:42]
  Quote:

  "It's been industrially processed to an extent...it doesn't really resemble the milk that comes out of a cow." — Anne Mendelson (54:42)

10. Future Prospects for Dairy (Raw and Commercial)

• Raw milk will remain a niche, sustained only through small-scale, direct producer-consumer relationships. The mainstream industry is described as "approaching unsustainability," with environmental, animal welfare, and market challenges. [58:48–63:52]
  • Mendelson is pessimistic about the global spread of the Western industrial dairy model, which is being replicated even in places with no tradition of milk consumption (and high lactose intolerance).

Notable Quotes & Memorable Moments

• On societal attitudes toward milk:

  "Somehow milk has retained the reputation of a superfood...and there is no other form of dairy product that is as culturally central." (35:50)

• On raw milk debates:

  "The response of the public health authorities has to be almost equally stupid and harmful. It's shut up and let us tell you what to do...I wish instead of yelling at each other...the proponents and opponents could have rational conversations." (46:04)

• On the future of raw milk:

  "Raw milk is always going to be a kind of a niche endeavor because it has to be done on a tiny, tiny scale...we're not going to have any 30,000 cow raw milk dairies ever." (58:48)

• On global dairy expansion:

  "What scares me most about the future...is how eagerly the Western industrial model of milk production and distribution is being welcomed by other nations, developing nations...even where they have no genetic ability to digest lactose." (58:48)

Key Timestamps

• 01:31 — Show introduction, Mendelson’s background.
• 04:35 — Mendelson’s childhood roots and early farm life.
• 06:54 — Biological/chemical nature of milk, lactose, and lactase.
• 12:43 — Genetic mutation for lactase persistence and origins.
• 17:42 — Fermented milks: kumis, its medical and cultural fads.
• 21:01 — Yogurt’s popularity, “health fad” cycles, and resurgence.
• 28:26 — Fluid milk’s rise, 17th–18th-century England, early health beliefs.
• 32:17 — Risks of “fresh” milk, pre-pasteurization market dangers.
• 38:49 — Mega-dairies, technological change, and environmental fallout.
• 46:04 — Raw milk debate: safety vs. rights, modern resurgence.
• 54:42 — Industrial processing, homogenization, and taste.
• 58:48 — Future of raw and commercial milk, global consequences.
• 64:24 — Mendelson’s upcoming project on Georgian cuisine.

Conclusion

Anne Mendelson’s discussion demythologizes the role of milk as a universal health food, highlighting the contingent, sometimes dangerous, and always complex relationship societies have with this substance. From the necessity of fermentation to the industrial excesses of modern dairying and heated raw milk debates, Mendelson urges a more nuanced, historically informed understanding of milk—one with implications for health, sustainability, and food culture worldwide.

For anyone interested in the evolution of food, dietary science, and agricultural history, this episode offers a rich and thought-provoking journey through the myth and reality of milk.