Wed 1 Feb | foxnews.com
Difficulty concentrating can stem from any number of causes, including hormone or vitamin deficiency, a change in medication or poor diet. Christopher Kahler, professor of behavioral and social sciences, adds nicotine withdrawal to this list. He adds that while quitting smoking can be a struggle, the mental health boost gained from quitting more than compensates. “There’s a psychological benefit to it,” Kahler says.