Key points from article :
Scientists from the University of Chicago discovered a fatty acid called TVA in beef and milk that could be used to treat cancer.
TVA activates immune cells that help fight cancer.
Mice with cancer that ate a TVA-enriched diet had smaller tumours than mice that did not.
People with lymphoma who have higher levels of TVA in their blood respond better to immunotherapy.
TVA could be used to supplement existing cancer treatments.
Taking supplements with TVA is likely more efficient than consuming foods containing it.
The findings of the study are published in the journal Nature.
