Is soy milk good for you? What you need to know about this protein-rich, plant-based milk. How much black pepper is safe per day? There aren’t any established guidelines for how much pepper you ...

When you eat spicy food, the capsaicin binds to receptors in the mouth and on the tongue called TRPV1, says Terry. "These send signals of pain to the brain," he adds. Technically, spiciness is ...