Depression itself has no odor, but as depressed people tend to lose interest in "normal" activities some depressed people bathe less frequently than is considered normal in this society (however there are many other reasons that might happen than depression).
Sadness doesn't have a literal smell, but some people may associate it with a feeling of heaviness or a lack of energy, which can influence how they experience scents in their environment. Different scents might trigger memories or emotions associated with sadness for some individuals, but there is no universal smell for the emotion itself.
Sadness can cause stomach pain because emotions like sadness can trigger the release of stress hormones, which can affect the digestive system and lead to symptoms like stomach pain.
Sadness
when they have a frowny face :(
Smell like eggs
What does the Everglades smell like
They smell like a starfish
what does tungsten smell like
They smell kind of like sweet tarts. They smell kind of like sweet tarts.
there is no smell
They smell like a starfish
They smell like dirty dogs.