| Health risks | Number (n = 109) | Percent |
| Addiction | 31 | 28.4 |
| Loss of weight | 54 | 49.5 |
| Gastrointestinal problems | 38 | 34.9 |
| Affect teeth | 62 | 56.9 |
| Decrease sexual feeling | 59 | 54.1 |
| Increase sexual feeling | 10 | 9.2 |