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Doctors diagnosed him with bipolar disorder and schizophrenia, leading him to receive electroshock therapy, before he was treated for an arteriovenous malformation in his brain.

The patient had an arteriovenous malformation, a tangle of blood vessels that increases the risk of stroke.

At the age of six, the presenter was diagnosed with an arteriovenous malformation - a life-threatening medical condition, which began to affect her appearance and cause severe health issues.

News outlets report doctors found a rare, preexisting undiagnosed brain condition called arteriovenous malformation.

Doctors reportedly said Welch had a brain arteriovenous malformation, a rare tangle of abnormal blood vessels connecting arteries and veins, according to the Mayo Clinic.