Unfortunately, it's not FDA-approved so you will not find it in sunscreens coming from the US (not because it's not good, but because US regulations make it impossible for newer sunscreen agents to get approved), but it is widely available in other parts of the world like Europe, Australia or Asia
Although the findings are not always consistent, changes in the brainstem have been very common, especially structural changes, mainly a decrease in grey or white matter volume in patients, often pronounced in relation to the symptom burden of fatigue, pain and autonomic symptoms
And you could have a migrating motor issue due to the damage to the enteric nervous system from a post infectious issue, cross mimicry
Our review delves into literature in periodontitis, centering on the latest therapeutic strategies and mechanistic evidences