Dr. Sanjay Gupta examines the potential benefits of medical marijuana. Over 10 years, Dr. Gupta's reporting on the topic has produced six CNN documentaries and a seventh is in the works. In this episode, the very first of those CNN documentaries. Dr. Gupta travels the world and speaks to experts and patients looking for answers. What does marijuana do to you? What does it do to your kids? In the process of his reporting, Dr. Gupta made some discoveries of his own. This special report originally aired on CNN on August 11, 2013.

<p>Dr. Sanjay Gupta examines the potential benefits of medical marijuana. Over 10 years, Dr. Gupta's reporting on the topic has produced six CNN documentaries and a seventh is in the works. In this episode, the very first of those CNN documentaries. Dr. Gupta travels the world and speaks to experts and patients looking for answers. What does marijuana do to you? What does it do to your kids? In the process of his reporting, Dr. Gupta made some discoveries of his own. This special report originally aired on CNN on August 11, 2013.</p>

Do you ever wonder what makes us tick? The way we act, feel and even process information from the world around us? All of it starts with the brain. CNN's Chief Medical Correspondent Dr. Sanjay Gupta is tapping his decades of experience as a neurosurgeon to explore the many states of the brain – distracted, nourished, concussed, frightened and more. Our brains are in constant conversation with our bodies, so the condition of one can have direct effect on the other. Sanjay will provide insights into how to actually build a stronger brain and keep it sharp.

<p>Do you ever wonder what makes us tick? The way we act, feel and even process information from the world around us? All of it starts with the brain. CNN's Chief Medical Correspondent Dr. Sanjay Gupta is tapping his decades of experience as a neurosurgeon to explore the many states of the brain – distracted, nourished, concussed, frightened and more. Our brains are in constant conversation with our bodies, so the condition of one can have direct effect on the other. Sanjay will provide insights into how to actually build a stronger brain and keep it sharp.</p>

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