We wanna get down in a sense to the foundational state of mind, a most fundamental form of mind, and that occurs at death.
for - meditation - clear light meditation at time of death - Tukdam - why? The most fundamental state of mind occurs at the time of our death - from Youtube - Between Life and Death: Understanding Tukdam - John D. Dunne
In one striking demonstration of the potency of the so-called "microbiome-gut-brain axis," published in Gastroenterology in 2011, Bercik and colleagues gave BALB/c mice, a strain of mice that are typically timid and shy, a cocktail of antibiotics, dramatically changing the composition of their gut bacteria. "Their behavior completely changed," Bercik says. "They became bold and adventurous."
Gut bacteria composition as influencing mind state
Also, causing to feel an inner flame, or feel suffering instead