If it's a chronic toxin, it means it wasn't ingested in the past few days, but over a period of time.
If it's not through medication, then it must be through food or drink, like meals and water.
Recently, apart from being in Royal View City, she's only eaten at the company, the Seys Family residence, and the Morris Family residence. It's impossible at the company, as the food is the same for all employees, and if there was an issue, the whole company would have been affected.
Royal View City is even more unlikely, as it's just her and Arlo, and she cooks after buying the groceries herself, so there's no way there could be an issue.
So it's only the Seys Family or the Morris Family...
Thinking of this made Ariel Morris's heart ache deeply; if there really was an issue with either the Seys Family or the Morris Family, it would cause her significant pain.
