Whether or not it's a local gym or even an in-home workout, there are so very many choices it leaves little room for justifications. WIth cold weather quickly approaching, selecting the right gym or the in-home workout needs commence with now. "Memory retention and learning functions are things to consider about brain cells actually changing, growing, and dealing better every single. . . Exercise produces the best environment for that process to occur." - Dr. John J. Ratey, Harvard Medical School, author of in an effort to Spark.