After several years of such procedures, you can get sick in severe frost without fear, go out in the same T -shirt.
Fresh vegetables, fruits, especially citrus fruits (oranges, lemons), onions, garlic, warm teas from forest berries (raspberries, currants, rosehips), and also various herbs will not only cheer up, but also your level of your level, but also your level of your level of your levels health.