Robert F. Kennedy Jr. is one of many wellness leaders who claim nicotine has health benefits, but experts have a major warning. When you hear the word “nicotine,” a few things likely come to mind: perhaps cigarettes, addiction and even cancer. Wellness influencers on social media ― and even some government officials ― are trying to change that perception. Nicotine is most widely known as an ingredient in cigarettes, along with tobacco, but is now being pulled out as its own product and used in