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9 votes
Accepted

Why I should avoid exercising after blood donation?

Most blood donors are a bit weakened from giving blood, despite often feeling great. The amount of blood removed from circulation reduces your possible performance level and you might tire more easily ...
LаngLаngС's user avatar
  • 6,908
5 votes

Why lower gauge needles aren't used to draw blood for blood tests?

Gauge sizes do affect the red blood cells (RBCs). However, this mostly applies in the high range with 23 gauge needles (and higher) predisposing the sample to hemolysis (the destruction of RBCs) which ...
Sæmundur Rögnvaldsson's user avatar
5 votes

Can blood transfusion help in case of scleroderma?

I'm not aware of any work done in this area. A whole blood transfusion is not going replace circulating defective lymphocytes. On the other hand Hematopoietic Stem Cell Transplantation has some ...
Graham Chiu's user avatar
  • 13.3k
5 votes

how many 'lives' are saved from one donation of blood?

Here are some statistics: Each year, an estimated 6.8 million people in the U.S. donate blood. 13.6 million whole blood and red blood cells are collected in the U.S. in a year. Giving blood saves 4.5 ...
David Roop's user avatar
5 votes
Accepted

Blood donor restrictions (Mad Cow Disease) in Australia/France for people who lived in Britain, is it justified?

Blood donor restrictiction aims at preventing the transmission of the variant Creutzfeldt-Jakob disease (also known as Mad Cow Disease for a layperson), which is a prion disease that leads to ...
M. Arrowsmith's user avatar
5 votes
Accepted

Why can't Jane give blood?

I presume she is at risk for developing bowel malignancy at some time in the future. So, unless she is screened very regularly, then if she is accepted as a blood donor, she might be donating blood ...
Graham Chiu's user avatar
  • 13.3k
4 votes
Accepted

Are there any other probabilities for an O blood typed kid other than O & O parents?

If a child has blood type O, it means both his alleles are recessive (since A and B are dominant over O); one of them he gets from their mother, and the other one from their father. That means that ...
practiZ's user avatar
  • 709
4 votes

Why can't we give blood within 8 days after taking an anti-inflammatory?

For this answer, I'll assume that with “anti-inflammatory pills” we're exclusively talking about NSAIDs. In summary, I see multiple reasons why donors have to wait a few days after taking NSAIDs. In ...
melvio's user avatar
  • 238
3 votes

Is it necessary to hydrate before doing a double red cell blood donation?

According to the Stanford Blood Center and the American Society for Apharesis, you should increase your intake of fluids, calcium, and iron at least two days before your platelet donation appointment ...
NetServOps's user avatar
3 votes

Why can't we give blood within 8 days after taking an anti-inflammatory?

Although ACCP recommends 7- to 10-day aspirin intake cessation before surgery in patients with low cardiovascular risk, the results of our study suggest that aspirin intake cessation not longer than ...
Sikander's user avatar
  • 311
3 votes
Accepted

Health benefits from giving blood?

This "rumor" is initially mostly based on a humor. According to humorism your four juices might be out of balance or gone bad and that might prescribe a course of the ancient practice of bloodletting ...
LаngLаngС's user avatar
  • 6,908
2 votes
Accepted

How should I account for a blood donation while couting calories/trying to lose weight?

You might as well ignore the calories of food given to you in such a situation: Burns Calories: People burn approximately 650 calories per donation of one pint of blood, according to the ...
LаngLаngС's user avatar
  • 6,908
2 votes

Does giving blood lower blood pressure?

Blood pressure is not significantly affected in the short term. The body has all sorts of homeostatic mechanisms to maintain blood pressure, such as increasing heart rate and constricting blood ...
Chris's user avatar
  • 3,414
2 votes

How much time will take for receiving 1 bag blood?

Normally whole blood is not used for transfusion purposes. Instead it is separated into components which are then transfused after first being aggregated. If someone needs a blood transfusion, then ...
Graham Chiu's user avatar
  • 13.3k
1 vote

What would be the chances of catching HIV when getting a blood donation from a man who has sex with Men?

TL;DR — The transmission of HIV through blood products is very rare, but examples have occurred in some low-income countries which lack the equipment to test all blood. You said: Around the world ...
Chris Rogers's user avatar
  • 6,235
1 vote

Is there a point of being an Organ Donor if my blood type is AB Negative?

According to the standard blood compatibility chart: (image from Owlcation: The Basics of Blood and Blood Typing - Wikipedia file) AB blood types can only donate to other AB blood types, but AB ...
JMP's user avatar
  • 1,511
1 vote
Accepted

Is it necessary to hydrate before doing a double red cell blood donation?

I agree with the comment by Carey Gregory that the answer was available online had you done more prior research, but ironically this specific question of yours was the first result suggested by Google....
user1271772's user avatar
1 vote

Questions about the use of Vitamin-E to prevent scar formation after blood donation

WebMD seems to suggest no: "Atopic eczema (disorder causing skin itching) Vitamin E has been applied to the skin to prevent scars. However, because of a risk of allergic skin reaction, some ...
Pearu's user avatar
  • 141

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