A fresh look at the research on second-hand smoke in Israel shows a widespread, hidden health issue. By combining data from 18 different studies, researchers found that more than half of adults and an even higher proportion of children are regularly exposed to tobacco smoke from others. The numbers are particularly stark for kids, with self-reported data suggesting nearly three-quarters are exposed, though a more objective measure using biomarkers found about 55%.
This analysis pooled information from studies published over the last decade, giving us a broader view than any single study could. It's important to note that the way exposure was measured made a big difference—people's own reports often showed higher rates than the biomarker tests, which look for traces of tobacco in the body.
However, there's a major caveat to these findings. The studies included were very different from each other, a fact the researchers call 'high heterogeneity.' This means the true exposure rate could vary a lot depending on where you live, your age, or your community. So, while the pooled numbers point to a serious public health concern, they don't give us one clear, precise national rate. This review confirms exposure is common, but also highlights how much the experience can differ from person to person.