| Hepatitis B |
Liver cancer |
| Hepatitis C |
Liver cancer |
| Human Papilloma Virus (HPV) |
Cervical cancer |
| Epstein-Barr Virus |
B-cell lymphoproliferative disease, Nasopharyngeal carcinoma |
| Kaposi’s Sarcoma Herpesvirus |
Kaposi’s Sarcoma, Primary effusion lymphomas |
| Human T-cell leukemia virus-1 |
T-cell leukemias |
| Helicobacter pylori infection |
Stomach cancer |
| Inflammatory Bowel Disease (Crohn’s disease and Ulcerative colitis) |
Colon cancer |
| Alcoholism |
Oral cancer, Pharyngeal cancer, Laryngeal cancer, Esophageal cancer, Liver cancer and Breast cancer |
| Smoking |
Lung cancer, Laryngeal cancer, Cancer of the head and neck, Stomach cancer, Kidney cancer, Pancreatic cancer, and Esophageal cancer. |
| Obesity |
Liver cancer, Colorectal cancer, Pancreatic cancer, Esophageal cancer, Kidney cancer, Thyroid cancer, Endometrial cancer, Gall-bladder cancer, Non-Hodgkin’s Lymphoma, Breast cancer (post-menopausal), Multiple myeloma |
| Cirrhosis of liver |
Liver cancer |
| Diabetes (Type 1) |
Liver cancer, Pancreatic cancer, Kidney cancer, Esophageal cancer, Stomach cancer, Lung cancer, Thyroid cancer, Squamous Cell Carcinoma, Leukaemia, Non-Hodgkin’s Lymphoma, Colon cancer, |
| Diabetes (Type 2) |
Liver cancer, Colon cancer, Pancreatic cancer, Biliary tract, Gall-bladder cancer, Gastrointestinal cancer, Kidney cancer, Bladder cancer, Lung cancer, Thyroid cancer, Breast cancer, Ovarian cancer, Endometrial cancer, Oral cancer, Leukemia, Glioma, and Melanoma |
| Red meat consumption |
Breast cancer, Prostate cancer, Pancreatic cancer, Colon cancer |