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Messages - Paul.D

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1
Physiology & Medicine / Re: Can you become vitamin D deficient during summer?
« on: 29/06/2018 11:20:56 »
If you think that you are severely deficient in vitamin D and it is having an impact on your every day life then I would recommend that you get your bloods sent to a laboratory to have your levels tested. One of the most common test which can be quickly and easily done is to measure 25-OH Vitamin D levels.

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The following users thanked this post: tkadm30

2
Cells, Microbes & Viruses / Re: Where did the first virus come from?
« on: 29/06/2018 10:27:42 »
It is very difficult to trace the origin of viruses due to the fact that they do not leave fossils. They can utilise many different tricks into order to infect an organism and replicate many copies of themselves within the cells it has invaded. There is also evidence that some viruses can incorporate their own genes into the cells that they have infected. This means that in order to study their ancestry requires untangling it from the history of their host and other organisms. Another thing which makes this extremely difficult is the fact that it doesn't just infect humans but can infect practically any organism, which can range from bacteria to horses; seaweed to people. Do to all these obstacles the origins of most viruses may remain forever obscure.
The following users thanked this post: chris

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