Can the comma after "scientist" be removed and why?

When you boil this water once, volatile compounds and dissolved gases are removed, according to author and scientist, Dr Anne Helmenstine.

Can the comma after “scientist” be removed and why?

Thank!

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Yes, I think it can be removed because the comma doesn’t increase clarity and readability here.

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Yes, because we need to take it as ‘According to author and scientist Dr Anne Helmenstine’.

But here it is necessary: ‘According to Dr Anne Helmenstine, the author and scientist’.

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