When you eat cornstarch, it absorbs water and expands in your stomach, which can make you feel full or even bloated. It's like a big, starchy party in your belly! But, if you eat too much, it can cause some discomfort, like stomach pain or gas.
Some people even use cornstarch as a DIY remedy for heartburn or indigestion. The idea is that it neutralizes stomach acid, but there's no real science to back it up. It's more like a quirky trick that might just work for some folks.