Your memory isn't too bad, but there is room for improvement. Did you know that the human brain is the most complex brain of any animal on earth, and that even too much exposure to certain products, such as tin foil, antacids, deodorants and toothpaste can prevent it from functioning properly? You may find that your brain doesn't function too well first thing in the morning, and this is because the brain needs a steady supply of glucose to keep it running smoothly – so never be tempted to skip breakfast!