Blood Donation – Common Concerns
Blood donation, although a noble act, has many myths and concerns associated with it. Many people have the misconception that are disadvantages of donating blood and it is very important to clear and resolve the doubts so that people start donating more and more blood and the supply of blood meets the demand.
One of the concerns while donating blood is the bruising of the arm while the needle is being inserted. There has been a study which says that less than 1% donors encounter this problem. This may also happen due to the lack of proper, untrained medical trainees and interns. There are even less complications in the blood donation, which are known to occur. These uncommon complications may include nerve irritation, arterial puncture, tendon injury, allergic reactions, delayed bleeding, nerve injury and thrombophlebitis.
Sometimes, some donors have allergy and react to sodium citrate which is used in the apheresis type of blood collection procedure, which is used to keep the blood from clotting. In this kind of donation, only the plasma or platelets can be donated and other things can be returned. Since the anticoagulant is returned with the blood components, back to the donor, it can bind the calcium in the blood and can result into hypocalcemia. These reactions can have severe results like seizure, hypertension, tingling in lips and convulsions. Calcium supplements are given in these cases to prevent the side effects.
The apheresis procedure includes the returning of the red blood cells to the donor. There is a chance of transfusion reaction taking place if the apheresis is done manually and the donor receives blood from a different person. It is very rare to have a manual apheresis in the developed world because of the risk and automated procedures are considered to be safe like the whole blood donation, which does not include returning of any of the blood components, back to the donor.
The final risk to the blood donors is the usage of such equipments that are not properly sterilized. As the blood comes in direct contact with the equipment, the blood can be contaminated if the equipment is re-used. In the 1990s, re-used equipments were a big problem in China and it has been known from the top medical news that around 250000 blood plasma donors have been exposed to HIV due to the shared equipment.
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Better Health: Why Is Gluten Intolerance So Prevalent?
Gluten is a special type of protein commonly found in rye, wheat, and barley. Therefore, it is found in most types of cereals and in many types of bread.
Examples of grains that do not contain gluten include wild and brown rice, corn, buckwheat, millet, amaranth, quinoa, teff, oats (the ones processed in dedicated facilities where other grains can’t cross contaminate), soybeans, and sunflower seeds. Not all foods from the grain family contain gluten, giving you a variety of choices while changing and adhering to your diet.
Here are some of the reasons:
- Genetic manipulation of grains. The original wheat (Einkorn Wheat) contained very little gluten. Once is was blended and changed it now contains lots of gluten and it’s also mixed with wheat in breads, etc.
- Almost all packaged foods contain grain either as a main ingredient or as an additive to give texture, etc.
- The use of pesticides, herbicides and fungicides are used under the assumption they are safe.
- Over use of antibiotics. They can be life saving but the over use changes the normal healthy gut flora and that can weaken the immune system. They are also fed to pigs, chickens, cows and fish that we are eating.
- Anti-acid medications like Nexium, Tums, Prilosec and Rolaids suppress acid in our stomachs and that weakens the immune system and can lead to malabsorption of nutrients.
- Anti-Inflammatory meds like NSAIDS tear down the gastric and intestinal lining and weakens immunity and intestinal permeability.
- Medications and even supplements can contain gluten.
- Grains are cheap and are subsidized by the government so they are less expensive to buy.
- Advertisements show how healthy grains are and to eat more of them.
- Nutrition isn’t taught much in school and what is based on the food guide pyramid which isn’t working well in our country.
So why are so many people having problems with gluten? There are many reasons. It can be genetic and family members would also be at risk. If, from time to time you experience digestive challenges such as gas, bloating, and constipation,you may find yourself attributing your discomfort to eating a particular food that does not agree with you and then decide to avoid the food you think caused the problem. If you can attest to this, then you may, in fact have a more serious issue such as gluten intolerance. The good news is that there are ways to determine if you have an intolerance and many good tips and recipes to eat a variety of other grains and eat delicious tasting foods.
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