A doctor has shared a list of the most common signs of autism in adults - that some people may have without even realising. The doctor explained that autism is not just a childhood condition, and signs may become noticeable in adulthood. Doctor O'Donovan , who has a medical degree (MBBS), Masters Degree (MRes) in Ageing and Health, and PhD (DPhil) in Digital Education, shares information and advice with his almost 400k subscribers on YouTube . In one video, he explained the different signs of