What are the common medical conditions?

Medically, there are numerous common diseases involving multiple systems and organs. Respiratory diseases such as colds, pneumonia, and bronchitis typically present symptoms including sore throat, cough, and fever. Cardiovascular conditions like hypertension commonly manifest as headache, dizziness, and palpitations. Endocrine disorders such as diabetes often lead to symptoms like thirst, frequent urination, and weight loss. Additionally, there are digestive system diseases including chronic gastritis and peptic ulcers, as well as neurological conditions such as neurasthenia and migraines. These common diseases not only affect patients' quality of life but may also lead to serious complications. Preventing, diagnosing, and treating these conditions requires joint efforts from both healthcare providers and patients, employing scientifically sound and effective approaches.