🔹 1. Infectious Diseases
Caused by bacteria, viruses, fungi, or parasites.
- Common cold / Flu – caused by viruses.
- COVID-19 – caused by the SARS-CoV-2 virus.
- Tuberculosis (TB) – caused by bacteria.
- HIV/AIDS – caused by the HIV virus.
- Malaria – caused by parasites, spread by mosquitoes.
🔹 2. Chronic Diseases
Long-lasting conditions, often linked to lifestyle or genetics.
- Diabetes – high blood sugar levels over time.
- Hypertension (high blood pressure)
- Heart disease – includes heart attacks, stroke.
- Asthma – chronic inflammation of airways.
- Arthritis – joint inflammation, stiffness.
🔹 3. Genetic / Hereditary Diseases
Passed down from parents through genes.
- Sickle cell anemia
- Cystic fibrosis
- Thalassemia
- Huntington’s disease
- Down syndrome
🔹 4. Mental Health Disorders
Affect thoughts, mood, and behavior.
- Depression
- Anxiety disorders
- Bipolar disorder
- Schizophrenia
- ADHD (Attention Deficit Hyperactivity Disorder)
🔹 5. Autoimmune Diseases
The immune system attacks the body itself.
- Lupus
- Rheumatoid arthritis
- Multiple sclerosis (MS)
- Type 1 diabetes
🔹 6. Cancers (Oncological Diseases)
Abnormal cell growth with potential to spread.
- Breast cancer
- Lung cancer
- Prostate cancer
- Skin cancer (melanoma)
- Leukemia
