Hard head and thyroid problems?! :-D

Came across this in an article. Any thoughts?

"Hyperostosis Frontalis Interna

Though this disorder’s long and complicated name makes it sound downright scary, the condition is actually pretty common (up to 12 percent of women have it) and benign—it’s a thickening of the inside of the frontal bone in your skull (the one that makes up your forehead). Usually it causes so few problems that it’s an incidental finding on an x-ray or MRI. Some people can get headaches from it, and more severe cases have caused memory issues, but the vast majority of people with Hyperostosis Frontalis Interna are asymptomatic. Strangely, though, the thickening has been associated with a wide number of conditions from obesity to thyroid problems to excessive hair growth (hypertrichosis), even though no one is clear on whether the bone thickening actually causes any of these issues."

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I was in the hockey team at school. During one match, I and a girl from the opposing team dived for the ball at the same time - and bumped heads. We both sat down but she was more dizzy than me!

Is that the reason? Maybe I have a built in extra shock absorber! Pity about the hypothyroidism in later life!