On Twitter Magnus, also known as @SwedishIslander, provided a quick translation of what the article discussed:
[sny-box]AN says he's been lacking B12 vitamin. He's been constantly tired though he's been sleeping 10-12 hours a night. He's happy to finally know what's been wrong but now he's a little bit better and has begun practicing again.[/sny-box]
You can view the Google translated version of the article here.