by Hivesguy. Dermatographism (also called dermatographic urticaria, or dermographism), is a skin disorder which is characterized by the skin producing a hypersensitive reaction when scratched, scraped, rubbed, or otherwise traumatized.ermographism pictures and images like the one below show how the skin forms a wheal on its surface after being stroked or rubbed with a rigid object. Notice how the letters and numbers are very distinct, which is where the term âskin writing diseaseâ getâs its name.
The ideal freezer temperature is 0 Fahrenheit (-18 Celsius) for storing food. And -10 Fahrenheit (-23 Celsius) is recommended when freezing food. For every five degrees Fahrenheit above zero, the recommended storage time is cut in half.
Turns out the temperature at which food freezes and the freezer temperature it should be stored at can be two different things. Even if your freezer seems to be doing its job, you should know the correct temperature to set it to!Kitchen Fact: The ideal temperature range for your freezer is 0Â° Fahrenheit or below (-18Â° Celsius or below).urns out the temperature at which food freezes and the freezer temperature it should be stored at can be two different things. Even if your freezer seems to be doing its job, you should know the correct temperature to set it to!