Are there neuroprotective properties of Cannabis?

"If there is a possibility that Cannabis exhibits neuroprotective properties, what types of Cannabis (CBD, CBN, THC/Indica vs. Sativa) have been studied to exhibit this?"

One of the easy ways to find information regarding the neuroprotective properties of cannabis, you can visit the website www.pubmed.com and type in the search box CBD and Neuroprotection, or CBD and neurodegenerative diseases.You will find many studies that have been done regarding this and they are peer-reviewed studies in the National Institute of Health. Here is an example http://www.ncbi.nlm.nih.gov/pubmed/26845349 Although some of the studies have terminology that is sometimes difficult to understand, you can go down to the summary of each study to see what their findings were!