Fitness expert Jillian Michaels joins NewsNation's Leland Vittert to discuss studies suggesting nicotine may improve cognitive performance when used correctly. "On Balance with Leland Vittert" takes a critical look at some of the day's hottest subjects. Weekdays at 9p/8C. Subscribe to his War Notes newsletter here: warnotes.com #OnBalance NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij