Up 10% of people who use replacement products use them long-term, fueling the $63 billion smoking cessation industry. Researchers from Wake Forest School of Medicine studied 281 lung cancer patients, and realized that the cigarette smokers exhibited a higher incidence of brain cancer. Up to 40% of patients with non-small-cell lung cancer, the aggressive form most commonly developed by smokers, develop brain tumors, which have an average survival time under six months. The researchers then studied mice, and discovered that nicotine crosses the blood-brain barrier and changes a type of brain immune cell, the microglia, to encourage tumor growth. … [Read more...] about Quitting smoking because of COVID-19? Nicotine replacement products may help spread cancer
