To take Arne Haase as a role model: Germany's oldest marathon runner is still doing 20 kilometers twice a week at the age of 90. And it doesn't have to be that sporty. But wouldn't the Haase model be a nice vision of you in your old days, being "trapped" in the body of a 45-year-old? For millions of people, regular exercise is part of their lives. But almost all of us run the wrong way. To stay mobile from now until old age, we can make up our minds for a fundamental change. E.g. we mostly...

Theodor Fontane's best-known novel is published in simple language for the first time. Theodor Fontane's best-known novel is published in simple language for the first time. It largely complies with the ISO 24495-1:2023 plain language standard. We have also largely adapted it for plain language. The content is also typographically designed to be particularly reader-friendly. The book is suitable for readers with limited reading ability, English as a second language or with cognitive impair...