Almost everyone suffers from it from time to time, but some people have such annoying cold sores all the time. Researchers at the University of Utah believe that recurrent, severe cold sores have a hereditary cause.
The culprit is the herpes simplex virus type one , which especially strikes in poor weather, freezing cold, reduced resistance or bright sun † The virus causes blisters to appear on or around the lip quite suddenly, which heal after about seven to ten days. More than 90 percent of the population carries the virus but only one in three regularly suffers from an outbreak.
Genetic research
The American researchers have now discovered a gene that is related to how often you get cold sores. This gene, called C21orf91 , determines for 21 percent how sensitive you are to the virus. The risk of cold sores is also increased by environmental factors such as stress † ah!
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How to heal?
Unfortunately, there are no products on the market that can prevent cold sores † However, there are all kinds of creams – even plasters – that can help to ease the suffering † If you suffer from cold sores, you can go to a pharmacy or drugstore for this, only if the vesicles after two weeks have not gone away, it is advisable to visit your doctor.
