Chemical reactions and catalysts. A chemical reaction involves a chemical change, which happens when two or more particles (which can be molecules, atoms or ions) interact. For example, when iron and oxygen react, they change to a new substance, iron oxide (rust).
It's important for parents to start weaning babies from bottles around the end of the first year and start getting them comfortable drinking from cups. The longer parents wait to start the transition, the more attached kids become to their bottles and the more difficult it can be to break the bottle habit.
Maybe you just canât wait to start weaning your baby from breastfeeding. Or you donât want to do it at all, but you have to for various reasons. Then the question is, of course how to wean. Especially if you have a little one who really loves nursing or really hates the bottle or solid foods. But it can be done!