<iframe width="580" height="385" src="https://www.youtube.com/embed/zx7xnLT2HbA?rel=0&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br>Dr. Sanjay Gupta takes us a through a Hawaiian coffee plantation and explains how it helps ward off certain diseases. <br><a href="https://www.youtube.com/watch?v=zx7xnLT2HbA">source</a>