Even though you technically can purchase this over the counter - this should not be used without a doctor’s advice. The intricacies of jaw placement and how it impacts important nerves and arteries around one’s brain and heart , in addition to tooth placement for long term issues like dental wear and tooth decay patterns leading to infections that can impact the heart and brain, are fast to important to play with willy nilly.
Could it be because of the 77% decline in migrant entrances into the country?