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On Purpose with Jay Shetty cover image

Peter Attia ON: Scientific Ways to Slow Down Aging & How Your Emotional Health is Impacting your Physical Health

On Purpose with Jay Shetty

NOTE

The Value of Whole Body Scans and Understanding Sensitivity and Specificity

Whole body scans like coronary calcium scans and CT angiograms can be helpful for stratifying risk, but an MRI is the best option due to its lack of radiation. Sensitivity and specificity are important parameters for screening tests. MRIs are very sensitive in detecting cancer, but they may miss small calcified breast cancers. It is not a substitute for mammography. Specificity determines the likelihood of a negative result if the condition is not present.

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