Sanguinarians
A sanguinarian is someone who feeds on blood. Taken from the Latin sanguineus meaning "blood-thirsty, Bloody or reddish in color", a sanguinarian is someone who has a physical thirst, perceived need, or craving for blood. This need is generally non-erotic in nature and distinguishable by the greater quantity required from the minimal amount consumed by blood fetishists. Contrary to Energy Vampires, who claim to be able to sustain themselves on pranic, auric, or core energy, a sanguinarian or "sang" vampyre feels a strong craving to meet their energy needs by consuming blood. Normally this comes from other humans. They feel that their strength cannot be maintained at a high level in any other way.

Sanguinarianism is not Renfield's syndrome (also known as clinical vampirism) since the urge achieves no end in Renfield's Syndrome, whereas it tends to have a profound affect on sanguinarians. Sanguinarians also have no desire to drink their own blood, whereas those with Renfield's Syndrome do.

Some people believe that the sanguinarian condition is simply an addiction to blood, whilst others believe it is a creation of the mind (psychosomatic) and not a medical condition. Both of these viewpoints are derived from the belief that the condition of sanguinarianism is a want and not an actual need.

Autovampirism (the drinking of one's own blood) is not seen as providing a sanguinarian with any energy, since the energy is just being recycled back into the system of the sanguinarian. It is frowned upon by many in the community, who see it as a destructive act that provides no benefit.

Many sanguinarians believe sanguinarianism is a natural (but poorly documented) medical condition, one they are born with. Sanguinarianism also states that the condition is not hereditary, and in most instances the parents are not sanguinarians themselves. Some believe that they generally 'awaken' during puberty, sometimes earlier, sometimes later, but each case is unique. Others believe one has to be 'turned' (converted) into a sanguinarian through one of the processes mentioned in modern vampire mythology. Also note that most sanguinarians also believe that you cannot 'turn' someone into a sanguinarian.

Since many sanguinarians view themselves as being the source of vampires myth, some believe that sanguinarianism brings with it some of the physical features present in vampire myth. These can include long canines (some say this is just coincidental, and not all sanguinarians have long canine teeth.), aversion to sunlight, a pale complexion, and a high tolerance for pain. It should be noted that neither pale complexion or aversion to sunlight is particularly prevalent in pre-modern vampire myths.

You feed on blood.
Is that shorter for you?

ROFLBO!!!

You liked that one, huh?

yeah, it cracked me up, lol

This is all very interesting to me. I still have a few questions though. So people who consider themselves Sang vampires, they still eat actual food as well, right. I mean, they are still technically "mortal" so they need to sustain. I guess I'm just wondering about the "type" of energy one derives from drinking blood.
I'm also confused about the want-need argument. Where does wanting blood and needing blood fall into place? For an actual Sang, what are the physical benefits you feel that you get from drinking blood?
And also, I have only recently heard about all of this Sang/Psy stuff, and so I think that it's a fairly new state of thinking. Is that true, or has it existed for ages? Has it just come from human beings becoming too in love with the romantic idea of vampirism from literature and film, or does the literature and film come from these human beings that created the myth in the first place?