That's so true, many heavy drinkers have poor eating habits. Their nutrition is inadequate and will not contain essential vitamins. Alcohol can inflame the stomach lining and impede the body's ability to absorb the key vitamins it receives. Korsakoff's syndrome may also occur in other conditions where there is severe malnutrition, but this is extremely rare. --- Narconon Vista Bay drug addiction treatment center providing drug education and rehab for over 40 years.