My son never crying was sign of childhood dementia
Until he was two years old, Tate Flaherty had been a healthy, happy and normal child – in fact, he rarely cried.

TL;DR
- Tate Flaherty was a healthy, happy child until the age of two, rarely crying.
- His mother, Tammy McDaid, initially sought medical advice believing he might have autism.
- Tate was diagnosed with autism, but later also with childhood dementia (Sanfilippo syndrome).
- He is exhibiting early signs of cognitive decline and is non-verbal.
- Tate's current life expectancy is estimated to be in his mid to late teenage years.
- His mother is fundraising to get him gene therapy treatment in the US, which could stop the condition from progressing.