No evidence that bananas contain cancer-fighting protein

Do the brown patches of a banana contain “tumor necrosis factor”, a protein that can lower the risk of cancer? A meme shared on Facebook in South Africa claims so. It reads: “Why should you eat ripe bananas? Fully ripe bananas with brown on their skin have a substance called Tumor Necrosis Factor (TNF) which … Continue reading No evidence that bananas contain cancer-fighting protein