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Who's most likely to be lactose intolerant?

ANSWER

Lactose intolerance is most common in:

  • Asian-Americans
  • African-Americans
  • Mexican-Americans
  • Native Americans

It can also be inherited or associated with other specific diseases.

SOURCES:

Cleveland Clinic: “Lactose Intolerance.”

Mayo Clinic: “Lactose intolerance.”

Johns Hopkins Medicine: “Lactose intolerance.”

National Institutes of Health: “Lactose intolerance.”

National Institutes of Health:  “Evolution of lactase persistence: an example of human niche construction.”

Reviewed by Melinda Ratini on June 19, 2019

SOURCES:

Cleveland Clinic: “Lactose Intolerance.”

Mayo Clinic: “Lactose intolerance.”

Johns Hopkins Medicine: “Lactose intolerance.”

National Institutes of Health: “Lactose intolerance.”

National Institutes of Health:  “Evolution of lactase persistence: an example of human niche construction.”

Reviewed by Melinda Ratini on June 19, 2019

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How do I know if I'm lactose intolerant?

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