Those who drink soup on a daily basis will probably become healthier. It is loaded with nutrients and it is easy to digest too. That is, if the right ingredients are put into the soup like vegetables and perhaps some good spices and maybe meat as well.
To eat only soup might cause medial issues, however. Although some have had to do so because of a problem such as digestive issues or bad teeth, it is not recommended for a person to only have soup for an extended amount of time because it is limited and a person needs more of a rounded, balanced diet than just soup.