What diseases are caused by a lack of vitamins B, E, D? How to prevent vitamin deficiency? What foods contain vitamins B1, E, D?

1) lack of vitamin B1 – beriberi disease; vitamin E deficiency – muscle tissue dystrophy, anemia, anemia; vitamin D deficiency – rickets;
2) eat foods rich in all essential vitamins;
3) vitamin B1, found in brewer’s yeast, sunflower seeds, pine nuts, sprouted wheat grains, peanuts, etc.; vitamin E – in green parts of plants, legumes, cereals, almonds, walnuts, sunflower and flax seeds, vegetable oils, raspberry leaves, rose hips; vitamin D – in fish oil, various varieties of sea fish (salmon, herring, sardine, etc.), red caviar, eggs, beef liver, soy milk, shiitake mushrooms, etc.