A recent episode of the The Kardashians shared some startling news about Kim Kardashian's brain. Discussing Kim's recent brain scan, her doctor pointed out "holes" on her brain scan he said were related to "low activity". While this sounds incredibly sad and concerning, doctors and scientists have doubts about the technology used and its growing commercialisation. I study brain health, including imaging the brain to look for early signs of disease. Here's what I think about this technology,