Onset symptoms, tobacco smoking, and progressive-onset phenotype are associated with a delayed onset of multiple sclerosis, and marijuana use with an earlier onset
<h4>Background</h4> <p>Age at symptom onset (ASO) is a prognostic factor that could affect the accrual of disability in multiple sclerosis (MS) patients. Some factors are known to influence the risk of multiple sclerosis (MS), but their influence on the ASO is less well-investigat...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Journal article |
| Published: |
Frontiers Media
2018
|