Dr Khan said he had also attracted trolls on social media.
He said: “I get a whole barrage of racist abuse about how I don’t understand British culture and British values, even though I’m very British.
“It’s sad, but you learn to live alongside it because it happens; micro-aggressions happening on a daily basis and macro-aggressions happening every fortnight at least.
“When you put stuff out there, it invites it in, which isn’t right, but it happens.”
Dr Khan, who has now penned a children’s book about families and sex education, said he learned the facts of life from his school friends rather than his parents.
He said: “I grew up with six sisters and my dad died when I was fairly young – and we are a Muslim family. These kinds of conversations didn’t happen in our house.”
The information he gleaned from his friends was incorrect and inappropriate, he said.
He stressed the importance of introducing children to facts about the evolution of family life before they were exposed to misinformation and inappropriate content online.
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