How to relax? A good way is to count your breath. If you are in the count of four and inhale, exhale to the number six And then, when you breathe out is to relax. How do you breath through 6, you are more relaxed state. And these days, how to smile.
You can try to play good music - music that makes you happy and you feel good. And then to play with the music. But perhaps most importantly, sleeping. Setting the sleep timer. Try to go to bed at about the same time every night. And prepare for bed, and the same - to brush your teeth, brush cream on your face, make it an enjoyable habit.
The attempt to keep the nose moist. The nose is small lashes. They seem like small veins, which kills viruses and bacteria, and dust from the nose, around the neck, were filed in the stomach and destroyed by the acid. To a dry nose means that the cilia are not working properly. Spray in your room helps. A nasal spray is also a good tool. Lemon and honey are good additions in the form of oil, which is taken to an injection or nasal spray.
What vitamin C - good? Yes, but limited to 500 mg per day. Too much vitamin C, calcium from the bones.