Answer: In one study, exercise stimulated the human brain's ability to maintain old network connections and make new ones that are vital to cognitive health. Other studies have shown that exercise increased the size of a brain structure important to memory and learning, improving spatial memory.
Based on the context in word the word "Lifestyle" is used in the statement, "A career will be most productive, comfortable, and enjoyable when it fits well into one’s lifestyle", the best definition of lifestyle would be option 3 -
a way of living that shows a person’s beliefs or opinions.
True..............,,,........
