Diabetes drug linked to B12 deficiency; B12 is essential to maintain healthy nerve cells and red blood cells; Mental changes and neuropathy - Reuters (article link)

- symptoms of B12 deficiency include fatigue, mental changes, anemia and nerve damage known as neuropathy.
- all these symptoms can easily be misdiagnosed as being due to diabetes.
- an estimated 246 million people have diabetes -- rates are expected to rise -- type 2 diabetes linked to poor diet, lack of exercise.

Common diabetes drug linked to vitamin deficiency

LONDON (Reuters) - Patients treated over long periods with metformin, a common drug for diabetes, are at risk of developing vitamin B12 deficiency which is also likely to get worse over time, according to a study published Friday.