Why we all need Vitamin B12, is an article from todays newspaper.

Vitamin B12 is also known as Cobalamin and was the last B vitamin to be identified. It plays a vital part in the manufacture of red blood cells, which are needed to carry oxygen round the body. Cobalamin is also needed for a healthy nervous system.
Deficiency can lead to pernicious anaemia,extreme fatigue,and neurological symptoms such as forgetfulness,dizziness,tingling and loss of co-ordination. Low levels are also linked to depression and mood swings. Dr Joseph Chandy of Shinwell Medical Group in Horden, Durham, has treated hundreds of patients over 25 years. He believes B12 deficiency is a forgotten illness, affecting up to 12 per cent of the population.
The scale of the problem is vastly underestimated, he says, because doctors are using out-of-date criteria to identify the condition. His work has shown B12 deficiency has no respect for age or gender- his patients include a boy of 10 and people in their 80s.
The deficiency can be caused by a number of factors, including a vegetarian or vegan diet, because B12 is found naturally in animal sources such as meat, liver, fish eggs and milk.
However some people,s bodies fail to absorb vitamin B12 direcrty from food- and the only way this balance can be redressed is regular injections directly into their blood.

It can be dangerous to over-dose on any vitamin, including vitamin B12. If you think you are deficient in this vitamin, seek medical advice.
My own opinion is to take a vitamin b complex, at the recommended dose, every day.

I am a vegetarian and I am just as healthy as the next person. I hate it when stupid doctors or/and people say one needs meat to be healthy and gain protein and junk like that. An elephant is strong right? An elephant does NOT eat meat. Most meat eaters get there protein from cows. Cows get their protein from grass.

Oookay, first off, those "stupid doctors" didn't get the title "Doctor" for being stupid. If anything, I think the title is indicative of the opposite. Also, if you really read the original post, you'd find that some vegetarian diets bring about, not lack of protein, but lack of cobalamin, or Vitamin B12. The complexities of vegetarian diets do not end with protein.

Also, the strength of a creatures relies not on its size. Just because an elephant is large does not mean it necessarily is strong. Look at ants. They can lift up to 50 times their own weight! They also eat meat, btw

Another thing, just because you are healthy now does not mean it will stay that way forever. It may take months or even years before the effects of a new diet begins to manifest themselves.

Lastly, there is no point in comparing humans to cows and elephants when it comes to diet. For one, cows and elephants are completely capable of digesting cellulose, which is why they need not eat meat. We, humans, on the other hand, can only get starch and vitamins from most plant matter that we do need to eat meat to get our protein somewhere.

and runs off just like that. can't accept criticism huh?

I think refraining from fanaticism in all it's forms leads to a happier, healthier life.

Sorry, I was having a bad day.

I can take all the criticism in the world but I prefer not to talk back because the ones criticising are firmly set in their beliefs and are not prepared to learn other people's way of living. They do it the way they know and that's it.