Thiamine, also known as vitamin B1, is an essential nutrient that helps our bodies convert food into energy. It plays a crucial role in the metabolism of carbohydrates and is vital for the proper functioning of the nervous system. Foods rich in thiamine include whole grains, legumes, nuts, and pork. A deficiency in thiamine can lead to serious health issues, such as beriberi, which affects the cardiovascular and nervous systems. It can also cause Wernicke-Korsakoff syndrome, a condition often seen in people with alcohol dependence. Ensuring adequate thiamine intake is important for overall health and well-being.