In this engaging discussion, guest Bob Kaplan, an expert in nicotine's complex effects, sheds light on its cognitive benefits and weight loss potential. He clarifies the distinction between nicotine and harmful tobacco, diving into nicotine replacement therapy for quitting smoking. The conversation also explores intriguing findings, such as smokers experiencing less severe COVID-19 symptoms. With insights on various administration methods and the mechanisms behind nicotine's benefits, this episode unpacks the layered science of this often-misunderstood molecule.