6. What is the difference between constructive and non-constructive criticism?

Constructive criticism can help you improve on your work and is also known as feedback. Constructive criticism is offering valid and well reasoned opinions about the work of other. This can include positive and negative comments.
Non constructive criticism is not serving as a purpose of improvement. So the feedback they are giving does not serve as improvement ir advancement. It does not help at all. Non constructive criticism usually targets towards something or someone while constructive criticism targets to give feedback to help you while the other doesnt help u

Depends on which disease, but as a general rule eat healthy. many vegetables.                                                        hope my answer has come to your . you for posting your question here in we hope to answer more of your questions and inquiries soon. have a nice day ahead! : )     (p.s mark as brainliest if )