[ad_1] <br><br>Johnson said doctors believe he has sporadic ALS, the most common form, despite having no family history. <br>[ad_2] <br> <br> <br> <br><a href="https://www.newsnationnow.com/us-news/sports/chris-johnson-als-diagnosis/" style="font-size: 12px;color:#D5DBDB" target="_blank">Source link </a>