Where is the research into Black autism and ADHD?

 ADHD in the News 2020-08-06

Suzy Rowland, author of S.E.N.D. in the Clowns: Essential ADHD/Autism Family Guide, explains the crucial need for research into Black autism and ADHD...A quick search on [the UK's] NHS Digital for ‘black autism’ takes the browser to the Mental Health Act 2019, where on the second page in key findings we are shown that ‘amongst the five broad ethnic groups, known rates of detention for the Black or Black British group (306.8 detentions per 100,000 population) were over four times those of the White group (72.9 per 100,000 population).