Tagged Questions
0
votes
1answer
76 views
Are there any viruses or bacteria which have evolved to withstand higher temperatures due to fever
My question was raised after receiving this information:
The primary reason the body raises its temperature (via the Hypothalamus in this case) is that bacteria and viruses tend to optimally ...
4
votes
1answer
128 views
If fever is a natural immune defense, why do people take drugs to lower it?
If fever is a natural defense against pathogens, why do sick people take NSAIDs to reduce the fever?
1
vote
1answer
54 views
Is it possible to give a person an allergic reaction in a very specific place?
Can I give a person an allergic reaction at a very specific spot in a tissue?
And if so, how accurate can i get?
8
votes
1answer
97 views
What prevents a pregnant woman's immune system from recognizing her fetus as nonself (and attacking)?
I'm familiar with the scenario of Rh- mother with Rh+ fetus having complications (more so after her first child), but that's not what I'm curious about. I want to know mechanistically why a pregnant ...
5
votes
1answer
122 views
At what age do babies begin to synthesize their own antibodies?
When babies are first born, they receive their antibodies from their mother (I assume because they do not yet have the capacity to synthesize their own). So my question is, at what age do babies ...
9
votes
2answers
293 views
Why do people have antibodies against other blood types?
The ABO blood type divides each blood type according to whether they have the "A" and "B" antigen(s) (AB has both, O has none). People also have antibodies against the antigens they don't have (AB has ...
2
votes
1answer
38 views
Is it more likely to develop a throat-ache at night?
I have noticed that I rarely develop phlemmy throat-aches in the daytime, but often notice them after I have been sleeping. Is this a recognised phenomenon? Could it be because viruses or bacteria ...
6
votes
1answer
360 views
Why do vaccines cause your arm to hurt?
When you get a shot for a vaccine (for example, the annual flu vaccine), the nurse frequently indicates that your arm will ache for a day or two, maybe more. This ache is typically not just a pain ...
4
votes
1answer
43 views
During human ageing, which immune cell sub-types are most affected?
It is now well established that human ageing is accompanied by an increase in systemic, low-grade (chronic) inflammation, sometimes termed inflammaging (Franceschi, 2007). This is in part due to more ...
5
votes
1answer
81 views
What is the biological mechanism linking temperature and probability to be infected with a virus?
It is common knowledge that when you're cold you could get a cold.
What is the mechanism linking temperature and viral infection?
9
votes
1answer
116 views
In which order did the cells of the immune system evolve?
Thinking about how complex the interactions between different types of immune system cells (T-helpers, T-Killers, Phagocytes, B-Cells etc.) are, it's fascinating how they all combine to get the ...
9
votes
1answer
88 views
Why is there an extended delay before G.M. liver cells are attacked by the immune system?
In this BBC article a trial is described where patients with B-Haemophillia are infected with modified Adeno-associated Virus 8 which contained the genes for Factor IX clotting protein. Trials seemed ...
10
votes
1answer
171 views
What are the clotting factors' effect on avascular necrosis development?
Do clotting factors tpa and pai-1 lead to degenerative osteoarthritis in the same way that lupus anticoagulant and prothrombin might? Is one of these pathways particularly detrimental during formation ...
