There's been some debate over whether or not coffee can actually cause brain fog. So, what's the verdict?
Well, according to a study published in the Journal of Alzheimer's Disease, caffeine consumption can indeed lead to cognitive impairment in elderly people. However, further research is needed to determine if this is also the case in young adults.
The truth is, everyone reacts differently to caffeine. Some people can drink it all day without experiencing any negative effects, while others may feel jittery and unfocused after just one cup. If you're worried that coffee might be causing your brain fog, try eliminating it from your diet for a few weeks and see if your symptoms improve.