| Cause category |
Specific causes |
| Dietary habits |
- Inadequate consumption of fresh fruits and vegetables |
| |
- Avoidance of acidic foods due to allergies or gastrointestinal issues |
| Health and medical conditions |
- Underlying conditions like ulcerative colitis, Whipple’s disease, peptic ulcers, and gastroesophageal reflux |
| |
- Poor or absent dentition |
| Personal preferences |
- Dislike for the taste of fruits and vegetables |
| |
- Adherence to bizarre dietary beliefs and food fads |
| Cancer-related issues |
- Decreased nutrient intake due to anorexia or gastrointestinal symptoms from cancer treatment |
| Psychiatric/behavioral disorders |
- Mental health disorders affecting diet, like depression, schizophrenia, or anorexia nervosa |
