In the past three years, Google searches for the term “microdosing” have tripled, and books and articles on the subject are exploding. Microdosing is described as taking an imperceptible dose of an illegal psychedelic drug, typically LSD, MDMA or Psilocybin, more commonly known as magic mushrooms. It’s a fraction – roughly a tenth -- of a full hallucinogenic dose that would cause a high. "It’s just been a constant upward trend, constantly on the rise," said a drug dealer who spoke with News 4 New York's I-Team on the condition of anonymity. Read more: 4.nbcny.com/N4ExOtr NBC 4 New York on Twitter: 4.nbcny.com/kAuuwUN NBC 4 New York on Facebook: 4.nbcny.com/mbeh714 NBC 4 New York on Instagram: 4.nbcny.com/g5YlkcI NBC 4 New York on Youtube: 4.nbcny.com/iTUpy5e #Microdosing #Drugs #NYC #News