Cannabis is a complex plant that consists of over 111 cannabinoids that work together to regulate each other or produce a unique effect in the human endocannabinoid system. Nearly all cannabinoids exist in an acidic and non-acidic form, the acidic form acting as a precursor to the non-acidic form that is produced after heat is applied. The acidic forms of cannabinoids do not produce a euphoric psychoactive effect, but they "offer significant medical efficacy and work in conjunction with the same CB1 and CB2 endocannabinoid receptors throughout the human brain, nervous system, and immune system."
Many people know about the cannabinoids THC and CBD, but don't know about their acidic counterparts. Whaxy does an excellent job of analyzing and featuring different cannabinoids and their acidic counterparts. In their discussion of Cannabidiol Acid (CBD-A), they note that CBD-A is not just a precursor to CBD, but also to the cannabinoid acids CBC-A, THC-A, and CBG-A. CBD-A is anti-proliferative, anti-inflammatory, antibacterial, and anti-emetic. Because CBD is so powerful in the treatment of intractable forms of epilepsy and seizure disorders, it is thought that CBD-A also holds significant potential as part of this therapy. Cannabis juicing is the most effective way of accessing the acidic forms of cannabinoids because it does not require applying heat to the plant, but it is difficult to find enough plant material to juice on a daily basis.
For more on CBD-A and for strain suggestions that are high in the cannabinoid acid, read this Whaxy article: http://bit.ly/1MKHNzo