IL1B and amyotrophic lateral sclerosis: IL-2 was higher in ALS fecal samples compared to controls (4.36 ± 2.42 vs. 2.96 ± 0.40; p = 0.039) and IL-1β was also higher in ALS patients (6.20 ± 13.55 vs. 2.10 ± 2.68 pg/mL; p = 0.536), but not significantly.