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Fat Type Matters: New Clues to Pancreatic Cancer
3 Jun
Summary
- Specific fats, not just total amount, affect cancer risk.
- Oleic acid may promote pancreatic cancer growth.
- Omega-3 fatty acids show potential to reduce risk.
New research, conducted on mice, reveals that the specific type of fat in one's diet plays a crucial role in pancreatic cancer development, potentially more so than the overall fat intake. The study, published in Cancer Discovery, highlights that while some fats may fuel cancer, others can suppress it.
Lead author Christian Felipe Ruiz from Yale School of Medicine noted that the type of fat is key, not just the total content. Oleic acid, a monounsaturated fatty acid prevalent in olive oil and lard, has been linked to faster tumor growth in the study models. However, it is crucial to note that definitive proof in humans is still pending.
Conversely, omega-3 fatty acids, found in fatty fish and flaxseeds, demonstrated a significant ability to slow tumor development and bolster immune function in the study. This suggests a dual role for dietary fats, where careful selection can impact health outcomes.
The findings encourage a mindful approach to fat consumption, recommending a balance rather than elimination of sources like olive oil. Prioritizing omega-3s is advised, as the body cannot produce them naturally. Additionally, factors like obesity, smoking, and diabetes are identified as significant risk factors for pancreatic cancer.
