We all experience it from time to time. It's a feeling of unease, such as worry or fear. It might be brought on by something like an impending job interview or an exam, an argument with a loved one, or worries about your finances.
As a society, we have never been more aware and more sensitive to mental health. However, there is still an awful lot of stigma surrounding the subject, and a lot of myths that still circulate, some of which can be so dangerous if believed.