Brain power is very important to ION Zexcel in life. The intellectual capacity of one's brain coupled with his or her ability to use that capacity to the fullest is what we call brain power. Memory is a sub-type of brain power or may be considered as an aspect of brain power. Memory is the power of brain to store, retain and retrieve data or information when required. A person with good memory may not have equally good brain power. But a person with good brain power is likely to have a good memory. http://testoupmaxfacts.com/ion-z/