I don’t take any medication just as a personal preference. I notice this happens when I’m not 100 percent. It’s sort of a diagnostic tool that allows me to gauge where I’m at. That’s interesting what you mention about blood flow to the brain. I’ve had such serious memory and cognitive issue which is particularly frustrating to me, as I love to read and learn new things. This is all very new to me. I just realized last week that this is what I have been suffering from, so it’s a matter of trial and error now.