This is not true. The Earthâs movement around the sun has very little effect on the onset of seasons at either hemisphere. In fact, the Earth is at the Perihelion or closest to the sun around the winter solstice, while the earth is farthest away from the sun or at the Aphelion around the summer solstice.
How long do cold sores last? From the time of the first tingle, a cold sore will take between 7 and 10 days to completely heal - sometimes up to 14 days. Each cold sore goes through several stages before it disappears. In the vast majority of cases, the sore will heal without scarring.
Identifying a Cold Sore. 1  1. Recognize an emerging cold sore. The cold sore will go through three phases as it erupts. 2  2. Take extra care of yourself if it is the first outbreak. The first outbreak is generally the worst. 3  3. Go to a doctor if it doesnât heal. Cold sores will usually heal without medical attention, but if this doesnât occur or you experience complications, you should get checked by a doctor. Go to a doctor if: Your immune system is suppressed.