If you could increase your brain power, then theoretically you could accomplish almost anything. While having a healthy and strong body is highly important as well, most of us would probably agree that our activities are more reliant on our cognitive abilities rather than our physical ones.
Many people have computer-based jobs for instance, and this means that we need to use our brains to handle data, to manipulate software, or to come up with business strategies. Much of our success comes down to our ability to interact with others, which of course is very much dependent on our intelligence and our brainpower.
Whether you’re giving a presentation and choosing the best words to communicate your message, or whether you’re in an interview or date setting and trying to quickly find the wittiest or funniest response to a question.