Our brain operates as a complex bioelectrical system with about 85 billion neurons working around the clock. Brain aging may begin with interference in messaging between these systems by way of toxic exposures, glucose imbalances, and a toxic lifestyle altering the cells coding. Commonly, our body parts wear out at different rates. Often, the joints start to fail first. Sometimes it is the heart or the liver, or the kidneys—frequently it is the brain. Brain aging is inevitable to some extent, but not uniform; it affects everyone, or every brain, differently. Seniors vary widely in mental age. Some brains act their age, others are older than their chronological age, and for some seniors, the brain remains young as the body grows old. Common memory changes that are associated with normal aging include:
