A personal mission statement focuses on who you are as a person and identifies your purpose whether that’s in the office or simply in life it explains how you interpreted that purpose and why it matter so much to you
Dementia are diseases that causes memory loss. It affects individuals daily life very huge. One way to make them understand is to show them and explain to them daily. This may need a huge patience for you but this is the only way.
The only cure is rest. Antibiotics don't work because these are viruses and cold medicines help with symptoms so you feel a bit better but rest is really the only cure.