Low self esteem because they feel like they deserve it and being a loner because they have no one to talk to
Exercise, therapy, or get a new hobby to distract you
Answer:
A. Interferons
Explanation:
According to Wikipedia, "Interferons are a group of signaling proteins made and released by host cells in response to the presence of several viruses. In a typical scenario, a virus-infected cell will release interferons causing nearby cells to heighten their anti-viral defenses."
The three main categories are health, disease and safety.
