Zothecula (1870348) writes "Most of us are able to let other people know that we’re stressed, simply by telling them. For people such as those suffering from Alzheimer’s, however, it can be difficult to express such a thought. That’s why UK scientists at Loughborough University and Imperial College London are developing a new test that can determine someone’s stress levels by analyzing their breath." Link to Original Source
What is mind? No matter. What is matter? Never mind.
-- Thomas Hewitt Key, 1799-1875