Your stomach works very hard with some other body parts to break down food into small pieces. Your body takes in what it needs and the rest is turned into poo.
When we get nervous, a number of processes occur in the brain that are passed onto the stomach and affect the digestive process. This is a hangover from our hunter-gatherer days.
Two people have died after eating rockmelon contaminated with listeria. A total of ten cases have been confirmed in NSW, Queensland and Victoria between Jan 17 and Feb 9, and more are expected.
The good news is that the bacteria that cause food to spoil are quite different to the bacteria that typically cause food poisoning, and generally don't make you sick.
Not all body organs are vital.
We asked an expert to explain why we get that odd fluttering feeling when we are nervous.