A new study reinforces that while CT scans are crucial for diagnosing conditions, the risk of cancer from radiation exposure exists, albeit low for most patients. Dr. Rebecca Smith-Bindman emphasizes that even a slight risk is significant without clear benefits. As patients age, their bodies' capacity to repair DNA damage diminishes, potentially leading to cancer. The study utilized the National Cancer Institute's tool to assess risks based on historical data, though some experts note limitations in understanding individual biological responses.
Most patients will not develop cancer from a CT scan, but if you're not getting any benefit, then even a small risk is unacceptable.
There's DNA damage response pathways that are active all the time that take these insults, and they repair your DNA. But as we age, those responses aren't as strong.
They don't know what's happening biologically to the actual patient. They are just basing it on formulas or retrospective data.
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