What are the common diseases among middle-aged and elderly people?

Common diseases in middle-aged and elderly people mainly include the following categories: 1. Cardiovascular and cerebrovascular diseases: Such as hypertension, coronary heart disease, myocardial infarction, cerebral infarction, etc. These diseases are closely related to vascular aging, hardening, and unhealthy lifestyle habits. 2. Metabolic diseases: Such as diabetes, hyperlipidemia, hyperuricemia, etc. The incidence of these diseases tends to increase with age and is associated with factors such as diet and genetics. 3. Degenerative diseases: Such as cervical spondylosis, lumbar spondylosis, arthritis, etc. These diseases are primarily caused by long-term wear and tear, bone loss, and other factors. 4. Tumors: Middle-aged and elderly individuals are also at high risk for cancer, including common types such as lung cancer, liver cancer, gastric cancer, and colorectal cancer. 5. Infectious diseases: Such as pneumonia, chronic obstructive pulmonary disease (COPD), urinary tract infections, etc. Due to declining immunity, middle-aged and elderly individuals are more susceptible to infections. 6. Others: Middle-aged and elderly individuals are also prone to various chronic disease complications, such as kidney disease and eye diseases caused by diabetes. All of the above diseases require timely medical consultation and treatment and management under a doctor's guidance.