A. Early symptoms of the illness are much like the flu. After a short time (in some cases a day or two), more severe pneumonia-like symptoms may appear. Not all individuals with Legionnaires' disease experience the same symptoms. Some may have only flu-like symptoms, but to others the disease can be fatal.
The bone broth in chicken soup contains collagen, which can help boost your immune system, in addition to amino acids and nutrients that help prevent inflammation. Chicken soup's illness-fighting ability is thought to be related to cysteine, an amino acid released from chicken during cooking.
But it can be done: One serving is 1 cup of raw or 1/2 cup of cooked fruits or vegetables. Fruits and vegetables with deep, dark colorsâreds, oranges, blues, purples and greensâhave carotenoids and bioflavonoids, which boost your immune system. They also contain folate, vitamin C, lycopene, calcium and beta-carotene.