There is no evidence to suggest that cordyceps infects the human brain. In fact, some studies have shown that cordyceps may have neuroprotective effects and potentially help with memory and cognitive function (18) (19).
This myth likely stems from the cordyceps fungus’ parasitic lifestyle, where it infects and takes over the bodies of insects. Popular TV shows and movies have likely perpetuated this misconception, but there is no scientific evidence to support it.