About 46 million Americans smoke, and the habit contributes to the deaths of an estimated 400,000 Americans every year due to lung cancer alone. A 40-year-decline in smoking leveled off about five years ago, according to the Campaign for Tobacco-Free Kids.
Ross Toro is a contributing infographic artist for Live Science. He specializes in explanatory graphics that deal with science topics. Ross is a former art director of the Los Angeles Times, Associated Press and United Press International. He teaches Filipino martial arts when not dabbling in cartoons and animation.