All about fruitarianism with a long-term fruitarian, Lena

Having established the association of vitamin B12 insufficiency with neurodegenerative disease, the challenge is to discern the direction, if any, of causation.

Most neurological impairments present a slow, progressive course (Josephs et al., 2009) and vitamin B12 levels may take a number of years to deplete (Herbert, 1988). Studies investigating causation would need to continue over an extended period of time.

Low serum vitamin B12 levels may play a role in the pathogenesis of neurodegenerative disease; however, it is equally plausible that neurological impairment may lead to poor nutrition and hence to inadequate dietary intake. Also, any association may simply be coincident or the factors predisposing patients for neurodegenerative disease may simply also expose the patient to a higher risk of vitamin B12 deficiency, for example, poor nutrition. Further intervention studies in large samples followed over an extended period of time are required. This will allow for further investigation of the role, if any, of vitamin B12 in the onset or progression of neurodegenerative disease, as well as the latent period of effect of vitamin B12 insufficiency before cognitive deficits are evident.

Aristotle

Educating the mind without educating the heart is no education at all.

Veganism

Veganism is the practice of abstaining from the use of animal products, particularly in diet, and an associated rejection of the commodity status of animals. A follower of either the diet or the philosophy is known as a vegan.

Dietary vegans refrain from eating animal products, not only meat but also egg and dairy products and other animal-derived products. The term "ethical vegan" is often applied to those who extend the philosophy beyond diet into other areas of their lives. Environmental veganism refers to avoiding animal products on the premise that harvesting or industrial farming of animals is environmentally damaging and unsustainable.

The term vegan was coined in 1944 by Donald Watson when he co-founded the Vegan Society in England. At first this meant "non-dairy vegetarian" and later that one "should live without exploiting animals". 

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