He likely will experience increasing difficulity with his procedural memory Procedural memory is a part of long term memory that is responsible for conscious actions. Such as knowing things and the concious movement of motor skills
Yes you would inhale second hand smoke which is just as dangerous. All of the toxins that the person next to you is smoking will also be exhaled and will be transferred to you
It seeks to reveal internal structures hidden by the skin and bones as well as to diagnose and treat disease. Its a visual technique and process that it creates