Kyle Drew sits in for Doug, and visits with Dr. Heidi Yanoti of Life Extension. The powerful, but unappreciated role of "neurotransmitter balance" in the brain. Kyle's favorite form of magnesium, specifically for brain function. The medicinal qualities of spices. Why curcumin has become such a popular supplement. What is black cumin seed oil, (NOT curcumin), and why it may be the next big thing. How saffron became the go-to spice supplement for mood enhancement.