Parents and children often end up spending a lot of time together during the school holidays or at the weekend. Is this a cause for celebration? Not always for the kids. The more time they spend with adults, the more they have to hear their supposed wisdom: Slouching makes the back appear curved or hunched, reading in the dark is bad for the eyes and if you swallow chewing gum it gets stuck in your stomach for years. Are these all myths, or is there some truth to them? Myth or fact? If you swallow chewing gum, it gets stuck in your stomach. Verdict: This common notion turns out not to be true….