We need to translate visible text preserving HTML tags. Must output only translation. Ensure tags unchanged. Translate all visible text, including alt? There's a meta tag with charset attribute, but that's not visible; it's inside paragraph. Should preserve as is. Also keep attributes like class unchanged. We need to translate English to Japanese. Let's go through each element.

According to the World Health Organization, the number of individuals who have diabetes rose from 108 million to 422 million in the past 50 years. The disease is a major cause ...

Translate. Also strong em text.

What is Diabetes?

=> "糖尿病とは何ですか?" maybe "糖尿病とは". Use natural Japanese. Proceed. Will keep line breaks? Probably output as same structure with newlines. Let's compose. Paragraph 1 translation: "世界保健機関によると、過去50年間で糖尿病患者数は1億0800万人から4億2200万人に増加しました。この病気は失明、腎不全、心筋梗塞、切断の主要な原因です。健康的な生活習慣は血糖値