Just something I think we as humans and people who are in relationship with other humans should know. This research indicates that untreated depression can cause the brain to shrink (notably, one area affected is the hippocampus- the part of the brain responsible for emotional regulation and complex decision making). Thankfully, brains are able create new neurons throughout our lifetimes, but if left untreated long term, degeneration may outpace our ability to generate new neurons- a capacity that reduces as we age. The good news is that Ahidan (2011) found that brains that have been treated for and/or recovered from major depression are not significantly different in volume from non-depression-experiencing brains at an 11 year follow-up (Ahidan, 2011).
Reminder: Instagram is not therapy and only a health care professional can determine an individual's diagnosis and best treatment for them.
https://www.thelancet.com/pdfs/journals/lanpsy/PIIS2215-0366(18)30087-7.pdf or find a less technical summary of the findings at https://tinyurl.com/y2gejard.