Suppose I get infected by COVID-19.
I am a healthy person but with weight issues, according to the standard weight tables.
Can my immune system cure me by itself? That is, without the need of medications or drugs? and by only resting and eating healthy?
I have read this page
If you’re young and healthy with only mild symptoms, your doctor will likely advise you to isolate yourself at home and to limit contact with others in your household. You’ll likely be advised to rest, stay well hydrated, and to closely monitor your symptoms.
then it says
If your symptoms worsen with home care, it’s important to get prompt medical care.
Here, Why could symptoms worsen?