Brian Hanley is a biohacker, which means he is someone who uses science and technology to make improvements to the body and mind. He does this by experimenting with his own body and seeing how it responds. He has done things like changing his diet, monitoring his sleep, and exercising regularly to make himself healthier. He also uses technology like wearables to track his health and performance. He also tests things like nootropics, which are substances that can improve mental performance. The goal of his biohacking is to live the best life he can.