The Arkham Knight story is of a considerable length. It can take quite a few hours to complete, depending on your playstyle and how much you explore the game's side quests and extras.
Yes. A woman started a daily routine of walking for 30 minutes and drinking green tea. She believed that the antioxidants in green tea and the exercise from walking helped her body fight the endometriosis. Her pain gradually decreased over a period of months.
The story length of Batman Arkham Knight can vary depending on your playstyle. Generally, it takes around 15 to 20 hours to complete the main storyline.