11 votes

Why does the flu only happen in winter?

This is a really interesting question, because it really isn't as easy as people being a bit more susceptible in the winter. There's no definitive answer yet. Influenza Seasonality: Underlying Causes ...
YviDe's user avatar
  • 6,992
7 votes

Cold allergy is it possible?

There is no true allergy to cold, but there is a condition called cold urticaria, which is a subtype of physical urtiaria. Other subtypes of physical urticaria include increased sensitivity to ...
Jan's user avatar
  • 15.9k
5 votes

Cold allergy is it possible?

No. Allergy, which is an exaggerated immune sensitivity to certain environmental compounds, usually plants, or less commonly microorganisms, metals and other materials. McConnell, Thomas H. (2007). ...
Narusan's user avatar
  • 6,891
3 votes

What is the minimum air temperature that can kill SARS-CoV-2 instantaneously?

Dry heat sterilization is fairly inefficient, time-wise, in general. According to Wikipedia, which cites the CDC for this: The proper time and temperature for dry heat sterilization is 160 °C (320 °F)...
the gods from engineering's user avatar
3 votes

What is the coldest temperature a person could live in continuously?

There are just too many factors to give an easy clean answer to this question. To limit the problem, lets assume the individual is wearing 1 CLO of clothing in still dry air. Further, lets assume that ...
StrongBad's user avatar
  • 1,452
2 votes

Why does the flu only happen in winter?

Well, since you already have a well-written answer, I just wanted to add this as another possible cause: Research done by the National Institute of Child Health and Human Development (NICHD) in 2008 ...
Bipasha's user avatar
  • 131

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