Today, there is little distinction between tier 1 and tier 2 cities. Both types of cities are undergoing significant changes in their way of life, with stressed and unhealthy lifestyles predominating. In tier 1 cities, this has resulted in various ailments, including non-communicable diseases like cardiovascular disease, neuro-related diseases, asthma, cancer, diabetes, and depression, as well as communicable diseases like HIV/AIDS, TB, pneumonia, and dengue fever, among others. Conditions such as hypertension, diabetes, high blood pressure, and high cholesterol are more prevalent in tier-II cities, owing to a shift in lifestyle.
In Chennai, there are more than 1000+ labs, including hospital-based laboratories, clinics, private laboratories, etc. These labs mostly conduct pathology tests such as blood tests, stool tests, urine tests, pap smears, lipid profile, thyroid profile, sugar test (diabetes), allergy tests, etc., to diagnose the cause of certain illnesses. They also offer health check packages such as full body or master health check-ups, specialised checks for diabetes, cardiovascular diseases, etc. Labs also undertake scans and other related tests such as ultrasound, ECG, mammogram, among others.