What to watch with MY FOODBOOK and Langlebigkeit?

MY FOODBOOK appears to be a personalized nutrition tool based on DNA and biomarker analysis. In the context of longevity, caution is warranted: the evidence for gene-based dietary recommendations to extend lifespan is weak. Genes like FTO have only small effects on appetite and BMI, and PPARGC1A variants modestly influence endurance. Key drivers of longevity remain lifestyle factors such as caloric restriction, exercise, sleep, and stress management. Biomarker tests (e.g., vitamin D, B12, ferritin) can identify deficiencies that affect health, but they are screening tools, not diagnostic. Ensure that MY FOODBOOK is not used as the sole basis for major decisions. Have results interpreted by a physician and combine them with established health practices. Be skeptical of exaggerated claims that DNA-based diets can significantly prolong lifespan.