Yaron Segal’s son Lear was born with familial dysautonomia (Riley-Day syndrome). Yaron established the startup BrainQ (see here previously) to search for a solution. His brainwave helmet doesn’t help Lear, but its low-intensity electromagnetic field is curing many stroke patients.
https://www.israel21c.org/dads-quest-to-aid-son-leads-to-stroke-recovery-technology/