How to improve your health during winter colds

The winter is in the hill: the wing methet, the flu and the ARVI attacks everyone without exception, there is no strength, the joy of life and the stress, the depression covers with the head, want to get stuck in the foam and fall on the sofa. What to do, how to strengthen immunity and improve mood in a student period?
Symptoms of Immunity Disorder
Have you ever wondered why you often swallow or why a child is frequently cold in the family? After all, it’s not always the cause is the “contact” with a sick person. Our health is largely responsible for our immunity.