Most vape users are ex tobacco smokers who believe that this is the lesser of the two evils. While this may be true, this doesn't mean that the health risks brought about by vaping aren't alarming. The most famous claim for vaping being safer than tobacco is that it contains less nicotine. However, there are actually cases where it even has greater amount. Nicotine, as we have known, is an addictive substance that can affect brain development, especially for young adults. Moreover, when one vapes more often as in smoking, side effects would include increased heart rate and blood pressure, lung disease, chronic bronchitis, and insulin resistance which might lead to diabetes. Other than the content-related effects, vape users are also exposed to the harm of battery explosions. There have been cases reported that vape batteries explode, and that causes of these explosions are still aren't known.