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What disease is caused by high protein?

Published in Protein Risks 2 mins read

While high protein intake doesn't directly cause one specific disease, diets rich in protein, especially from animal sources like red meat, are associated with an increased risk of several health problems.

Here’s a breakdown of potential health issues linked to high protein diets based on observational studies:

Potential Health Risks Associated with High Protein Diets

Disease/Condition Description Source of Protein
Kidney Stones Painful mineral deposits that form in the kidneys. Animal Protein
Kidney Disease Damage or malfunction of the kidneys. Animal Protein
Liver Malfunction Impaired liver function. Animal Protein
Colorectal Cancer Cancer that begins in the colon or rectum. Animal Protein
Osteoporosis Weakening of bones, making them more prone to fractures. Animal Protein

It's important to note:

  • These are associations, not direct causation. Other factors likely play a role.
  • The source of protein matters. The reference specifically mentions animal protein, particularly red meat, as being linked to these risks. Plant-based protein sources may have different effects.

More Details on the Risks

Kidney Issues

High protein intake, especially from animal sources, can increase the workload on the kidneys. This is because the kidneys need to filter out the byproducts of protein metabolism. Over time, this increased workload may contribute to kidney stones or kidney disease.

Colorectal Cancer

Some studies suggest a link between high red meat consumption (a major source of animal protein) and an increased risk of colorectal cancer. This could be due to various factors, including the presence of carcinogenic compounds in processed or cooked red meat.

Osteoporosis

While protein is essential for bone health, high intake of animal protein can increase calcium excretion in urine, which could potentially contribute to bone loss and osteoporosis.

Important Considerations

  • Moderation is key: Most people can safely consume adequate protein without exceeding recommended levels.
  • Protein source matters: Prioritize lean protein sources like poultry, fish, beans, lentils, and tofu over red and processed meats.
  • Hydration is crucial: Drinking plenty of water helps the kidneys flush out waste products from protein metabolism.
  • Consult with a healthcare professional: Individuals with pre-existing kidney conditions or other health concerns should consult with a doctor or registered dietitian before making significant changes to their protein intake.