This is not age. This is metabolism: How to adjust the 7 main systems of the body to regain strength and joy of life

«This is not age. This is metabolism: How to adjust the 7 main systems of the body to regain strength and joy of life» — a popular science book about how changes in metabolism, sleep, energy levels, and weight are often associated with age, although the reasons can be broader and more complex. The focus is on everyday well-being, chronic fatigue, a sense of decline, and the discrepancy between «normal» test results and actual condition. The book is suitable for those who want to better understand the signals of the body and figure out how different processes in the body are interconnected.