Cross-contamination occurs when gluten-free foods come into contact with foods that contain gluten. It can happen during the manufacturing process, for example, if the same equipment is used to make a variety of products. Some food labels include a may contain statement if cross-contamination is likely.
After getting a tattoo, swimming must be avoided until the skin has stopped peeling and all scabs have fallen off. For most people, this means waiting a minimum of two weeks.
The myth that you have to wait 30 minutes or even an hour until you can swim after eating has been conventional wisdom for some time. The simple fact is, however, that swimming on a full stomach does not significantly impact your ability to swim. Duke Health: Myth or Fact -- Wait 30 Minutes After Eating to Go Swimming. 2  NY Times Health; The Claim -- Never Swim After Eating; Anahad O'Connor; June 2005. 3  AARP; Myth Buster -- Swimming After Eating Is Dangerous; Geoff Williams; July 2008.