Our comprehensive guide to common and rare diseases — what they are, their symptoms, causes, prevention and treatment.
COPD is a long-term lung disease that makes it hard to breathe because the airways are narrowed or the air sacs are…
COVID-19 is a respiratory illness caused by the SARS-CoV-2 virus. It spreads mainly through droplets and aerosols when an infected person breathes,…
Dengue is a viral infection spread by Aedes mosquitoes, which bite mainly during the day.
Gastritis is inflammation of the stomach lining. It can come on suddenly (acute) or develop slowly over time (chronic).
Hypertension is when the pressure of blood against artery walls is consistently too high. It often has no symptoms but raises the…
Pneumonia is an infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus.
Tuberculosis is a bacterial infection that mainly affects the lungs. It spreads through the air when a person with active TB coughs…
Type 2 diabetes is a long-term condition in which the body does not use insulin properly, causing blood sugar levels to rise.
Typhoid fever is a bacterial infection caused by Salmonella Typhi, spread through contaminated food and water.