Everyone has it (produced) when needed, as far as I can derive from https://en.wikipedia.org/wiki/Leucine_rich_repeat_containing_15 https://en.wikipedia.org/wi

Everyone has it (produced) when needed, as far as I can derive from https://en.wikipedia.org/wiki/Leucine_rich_repeat_containing_15 https://en.wikipedia.org/wiki/Leucine_rich_repeat_containing... But maybe different people generate different amounts at different speeds?