This book is the Crossword puzzles are also great in helping loved ones who might be suffering from dementia or Alzheimer's disease (AD). Although crosswords can't prevent the disease from happening or from worsening, they can help in lessening the effects of the disease. They are also able to aid in building up mental reserves. Solving puzzles is an activity that stimulates the brain because it is able to integrate intricacy, freshness and diversity into a person's thinking process. As a result, it is able to assist in honing the cognitive skills more.