Why should a person be careful when buying foods labeled as “low-salt” or “low-sugar”?

Responses

They may contain more sugar than normal.
They may contain more sugar than normal.

They have little nutritional value.
They have little nutritional value.

They can be high in calories or fat.
They can be high in calories or fat.

They may actually be high in salt.
They may actually be high in salt.

They may contain artificial sweeteners or additives that can be harmful to health.