Disposable vapes are more toxic than cigarettes, contain lead: Study Can Vaping Cause Lung Cancer? Here's What We Know The Lung Docs New study finds disposable vaping devices more toxic than traditional cigarettes Study: (Non FDA Approved) Vapes Emit More Toxic Metals Than Cigarettes Tobacco Reporter Disposable Vapes Could Be Unhealthier Than Traditional Cigarettes: Study Is Disposable Vape Safe? Discover the Real Risks