
There are some types of ADHD such as inattentive, hyperactive/impulsive and combined. Dr. Yadira Torres is a psychologist and Clinical Associate with Child Psychology Associates. She explains each type of ADHD and also confirms that symptoms can appear as young as three years.
https://medbusiness.net/adhd-types-symptoms/
This is a clip from my stand-up comedy special 'Shadows'. Click here to watch the entire show