With the covid-19 pandemic, the bad habits that many of us acquired during confinement passed a bill to thousands of Portuguese, who suddenly found themselves in the grip of health problems of various kinds or if they were suffering from those they already suffered. Others don't even know how much overeating or lack of physical activity has harmed them. Therefore, this book talks about the main causes of disease, suffering, morbidity and mortality on a national scale, at the current moment, post-pandemic. The Doctor at Home presents in a simple way with teachings on how to proceed, always giving practical tips and solutions with a view to the respective prevention, control or even cure. Because we are a whole, this book addresses problems that often intersect and add up in an integrated way, such as: - cardiovascular disease, with particular emphasis on stroke and heart attack; - diabetes; - arterial hypertension; - dyslipidemia; - cancer; - mental health; - obesity etc. The Doctor at Home shares a set of suggestions for a more balanced lifestyle and therefore constitutes a practical manual of undeniable interest for each of us and even for health professionals. In this way, we intend to contribute to a society that is more attentive to its health and with a greater capacity to prevent and anticipate disease.