Try hiking when looking for a hobby. A sturdy couple of walking shoes and the best hunting binoculars is all you need to get involved with this activity. There are thousands of hiking trails available in each state and your neighborhood website will lead one to the best ones. The body will also benefit from the outdoors and exercise when you are exploring some new place.
Be sure to keep well hydrated when you enjoy your passion. Whether you are enjoying a game of baseball or toiling away on the construction task, when you're well hydrated, the human brain may work as expected.