She shared in an Instagram video on 1 January 2026 that a brain scan showed almost every area of her brain is functioning at a decreased capacity due to a traumatic brain injury.
The actor stated her job now is to work with doctors to understand and address the damage, acknowledging it has taught her to slow down.
Lilly also mentioned a history of fainting spells since childhood, previously attributed to hypoglycemia, though recent tests have not confirmed low glucose levels.