If you know that somebody in your family has had Bell’s Palsy before, there’s not much you can do to prevent it other than living a healthy and normal lifestyle. Stress-free, sleeping well – those kind of basic things that keep your immune response a little more potent and vigilant. If you have one of the other syndromes that cause facial paralysis, then it really just depends what the cause is of that. In those cases, there are preventions. In cases of neurofibromatosis or other genetic disorders, there are other very specific things you have to do throughout time for them.