Health and blood
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Knowing a person's blood type is important for both giving and receiving blood. Although in emergency situations, most patients will be given O-negative blood as this works on all blood types. When we have non-emergency medical procedures which require blood transfusions, we will need to know our blood...

Donating blood is not an entirely selfless act. If we ourselves don't require a blood transfusion at some point in our lives, someone close to us surely will. Without any risk to our own health, blood donors help save the lives of thousands of people per day. Since blood scarcity is a problem, volunteers...

Hemoglobin is a protein found in red blood cells. The main objective of hemoglobin in mammals is to transport oxygen to the organs and tissues in the body. Hemoglobin also serves to transmit carbon dioxide from the organs and tissues to the lungs. Due to the importance of its function, it is very important...

Do your hands and feet stay cold most of the time? Do you experience cramping and swelling in your legs and hands frequently? Do you feel pain in your legs just after only walking around the block? If yes, then you probably have low blood circulation in your extremities. This simply indicates that your...

White blood cells play a significant role in defending the immune system, and they are essential for protecting your body from invading parasites and bacteria. Human body has five different types of white blood cells, and eosinophils are one of them. An eosinophil count test is conducted to find out the eosinophils...

An eosinophil is a type of white blood cell that is developed in the bone marrow during the process of haematopoiesis. Around 5 to 7% of white blood cells in your body are eosinophils. When this count goes up, the condition is medically termed eosinophilia. Usually, it is characterized by difficulty breathing,...

White blood cells or WBCs are very crucial for your body’s immunity. They play a vital role in protecting you against invading parasites and bacteria. There are five types of white blood cells present in your body, and eosinophils are one of them. When we talk about eosinophils count, we are concerned...

Let us see in detail how to lower potassium levels in blood and restore normal potassium levels. Potassium (chemical element K) is a mineral, in the same way as sodium or chlorine. As an electrolyte, it promotes the passage of nerve impulses throughout the body, including the heart muscle. Muscular contraction...

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There are many myths about blood donation and tattoos. It is important to discuss them because all countries require voluntary blood donation so they have reserves to make transfusions and to treat patients in need. The first thing to emphasize is that yes, you can donate blood after getting tattoos,...

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Have you had a blood test and notice low hematocrit levels or a low red blood cell count? Don't know what this means or how to fix it? Although it may be a symptom of a mild condition, the fact is that you must go to your doctor to check that all is well and to find the specific cause of the decline of...

Anemia is a condition that occurs when the amount of red blood cells decreases considerably or these cells don't contain enough hemoglobin. This can happen due to several factors, including following a diet low in iron and blood loss from bleeding or certain diseases. To increase iron levels and combat...

In short, both lymphocytes and leukocytes are components of the human blood. Basically, blood is a kind of connecting tissue made of plasma which is a fluid matrix. It also contains various types of cells and elements that keep circulating through the body within plasma. Protection, regulation and transportation...

The bone marrow produces blood cells called as lymphocytes. Their major function is to protect your body from infections. When the lymphocytes count is low, the condition is termed as lymphocytopenia. Under this condition, the body becomes more prone to catch infections, and develop symptoms of severe...

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Neutrophils are the most common type of white blood cells in our blood, responsible for eliminating bacteria and other organisms that invade the body, preventing them from affecting our health. So, if after doing a blood test, it shows that neutrophil levels are low, it's important to determine the cause...

Alkaline phosphatase, also known as ALP, is a natural protein found in human body tissues. The liver, bile ducts and bones contain ALP in higher amounts than other body organs. Produced primarily in the bones and liver, these ALP enzymes split off acidic mineral phosphorus, and create alkaline pH balance....

Anemia is a condition that occurs when the number of red blood cells is low or the person does not have enough hemoglobin. Although it may be a result of various causes, one of the most common is a lack of iron in the diet, which needs to be addressed in order to stimulate red blood cell production and...

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Platelets are responsible for the proper coagulation of our blood, ensuring that it is always circulating in the best form for our bodies, clotting when it needs to stop a bleed, and also preventing unnecessary clots, which could block important arteries.
A normal platelet count varies between 150,000 and...

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Hypoglycemia occurs when blood sugar levels fall to below 4 mmol/L. It is a condition that commonly affects people with diabetes but can also affect individuals with other health conditions. A sharp drop in the sugar levels can not only lead to unpleasant symptoms, but it may also threaten the patient's...

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Our body has five liters of blood which is transported by the veins and the arteries to all organs to provide nutrients, hormones and to regulate the pH levels inside us. Proper blood circulation is essential so that all organs function normally. Poor circulation will alter this necessary transportation and...

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Hematocrit is the percentage of blood volume that is composed of red blood cells. This level differs in men and women: it should be at around 45% of blood for men and 40% women. Increased blood hematocrit levels involve the risk of thrombosis due to the accumulation of red blood cells, so you run the...

Carpal tunnel syndrome is a condition in the arm and hand which is often caused due to a pinched nerve in the wrist. Bound by ligaments and bones, the carpal tunnel is a delicate passageway on the palm side of the wrist. The main nerve of your hand and the tendons that allow you to bend your fingers...

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Phlebitis or thrombophlebitis is an acute inflammation of a vein due to the formation of a blood clot, which can happen at surface level or in deeper tissues. It can occur in different areas of the body, but usually the legs are most affected. It can cause symptoms such as pain, numbness, tenderness,...

Blood donation is a selfless act that can help and save the lives of hundreds of patients. It's a basic requirement for emergency procedures, helping patients in need of transfusions and those suffering from blood loss, as well as supplying blood banks. Many people don't realise that blood plasma has...

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Anaemia appears in the human body when the haemoglobin levels, a protein that is responsible for transmitting oxygen around the body, are critically low. This alteration can be treated naturally by increasing the intake of essential nutrients, such as iron and vitamin C.
These can be found in various fruits,...

Comparing dengue fever and the flu virus in the same article may not have an obvious rationale. One is a common virus with cold-like symptoms which can happen anywhere in the world. The other is a tropical disease which is known for being spread by ectoparasitic insects such as mosquitos. However, in...

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People with diabetes can have blood sugar rises during the day, so it is important to know what foods can help you lower it and restore your blood glucose levels. In addition to using food, there are some infusions or lifestyle habits that can help us stay in a state of optimal health. In this OneHowTo...

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Bruised nails usually occur after a major trauma to the fingers or toes but these can also be a found on the toes of middle and long distance runners who, due to constant micro trauma, eventually suffer from bleeding under the nails. This is both an unsightly and annoying condition, if not attended to...

As with all conditions ending in '-itis', phlebitis refers to an inflammation. Specifically, it is the inflammation of of the veins caused by some sort of obstruction. If this obstruction is caused by a blood clot (known as a thrombosis), then it is called thrombophlebitis. The clot restricts movement...

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Dengue is a virus spread through the bite of the infected Aedes aegypti mosquito, popularly known as "white legs". Once you've been bitten, the disease can take effect from 3 days to 2 weeks after, with strong symptoms that are sometimes confused with the common cold. So at oneHOWTO we explain in detail...

When you go through a blood test, you may sometimes hear that you have a high lymphocytes count, this is a common condition after a disease or illness, known as lymphocytosis but it can be a serious problem if it persists. Here at oneHOWTO, we are going to tell you what an elevated lymphocytes count...

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Platelets or thrombocytes, play a very important role in our body and influencing the blood clotting process. They help to prevent bleeding wounds and injuries and allow for proper blood circulation in the body. A normal platelet count ranges from 150,000 to 450,000/mcL, but different health conditions...

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Hypertension is what happens when the pressure at which blood travels through our body is too high, a condition that threatens the health of our heart and our overall well-being. In addition to making changes in our daily habits and in our diet, it is possible to improve this condition with some natural...

Monocytes are larger leukocytes generated in the bone marrow and which then travel to the blood via the tissues of different organs. Their main function is to remove cellular debris and microorganisms, a process called phagocytosis. A too high or low monocyte is never good sign, which is why this oneHOWTO...

Alkaline phosphatase, also known as ALP, is an enzyme present in almost all tissues of our body, but we find it mostly in the liver, bile ducts and bones. It can also be found in the intestinal membrane, kidneys or placenta. This enzyme takes part in the so-called dephosphorylation, the process of getting...

Neutrophils are the most common type of WBCs, comprising 50 to 70% of blood leukocytes. In laboratories they are distinguished from the rest by easily dying them with neutral dyes. The role they have in the immune system is destroying bacteria, solid particles and cellular debris. On OneHowTo.com we...

White Blood Cells are responsible to defend our body against bacteria and foreign organisms that could jeopardize our health, preventing infections, bacteria and viruses from affecting us severely. So when their levels fall our body is at the mercy of foreign agents, this is why it is important to address this...

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Uremia is a kind of poisoning that occurs in internal organs when there is an excess of urea in the blood. This accumulation is due to the kidneys not working properly, reason why the urea is not removed and starts to accumulate. Although this is the most common cause it is not the only one, as the condition...

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Blood tests are one of the diagnostics most commonly used to determine a person's health condition. Sometimes we are given results and do not understand what it means to have a high or low value. So in OneHowTo.com we explain how to interpret a blood test.

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Drops in blood pressure occur when less blood reaches the brain than usual and, therefore, oxygenation is also lower. Although some people have hypotension, drops in blood pressure or fainting normally occur in a timely manner, being more common in summer. It is necessary to know what should be done if...

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Many people experience poor circulation in the feet and ankles, making these areas swell, or constantly cold or numb. Certain factors may contribute to this condition. Such is the case of high blood pressure, heart disease or diabetes. There are some things you can do to increase circulation in the feet and...

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According to the self measurement of blood pressure method it is recommended that you measure it three times a day for 3 days before the visit to your doctor to assess the evolution: Right upon waking up before breakfast and taking medication, before lunch, before dinner. In this article we will teach...

Why is blood red? It seems an obvious question, but answering it helps us understand how the human body works. It is because of red blood cells (RBCs), but then you might ask why are red blood cells red? The protein haemoglobin carries oxygen around the body by binding it to iron molecules. When this process...

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Low blood pressure is medically known as hypotension. When our pressure is below normal it is important to find out what the cause of this condition are so to receive the most appropriate treatment and thus stabilize our blood pressure. But why does blood pressure fall? At OneHowTo.com we explain some of the...

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Hemoglobin (or haemoglobin) is a complex protein found inside red blood cells whose role is to transport oxygen from the lungs to the cells of the body. Oxygen binds to hemoglobin at the level of the lungs, and releases it in the body tissues. As with everything else in the body, hemoglobin levels are...

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When a blood test indicates that your thrombocyte or platelet count is too high or very low, it can be alarming to think that something might not be right with your health. However, many people do not know exactly what platelets are and what they do, something which is crucial to know when it comes to...

White blood cells in the human body are designed to defend the organism from external attacks. When leukocytes are low, a patient is susceptible to infection. First you may be wondering, what are lymphocytes exactly? Lymphocytes function are a type of white blood cell that is distinguished from the rest...

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Good blood circulation guarantees a healthy heart; smooth legs free from spider veins, varicose veins and that feeling of heaviness in our legs; and a healthier and active body. Our diet and physical activity greatly influence how good our circulation is, but they are not the only things that can help us,...

Have you just measured your blood pressure but aren't sure if your level is normal? Are you wondering if a 90/60 blood pressure is normal? Don't worry, because at OneHowto we want to help you find the answer to the common question: how to know what is considered to be low and high blood pressure or, on the...

Blood pressure is the force applied on your arteries by your blood, and should ideally lie between the normal range. When it is too high, it could damage our arteries and put strain on our heart. This is why we should make some changes to our diet and lifestyle in order to look after our well-being....

Measuring our blood pressure is a routine event that we must do regularly to ensure that we do not suffer any health problems, such as hypertension (high pressure) or hypotension (low pressure). For this purpose it is essential to know how to measure blood pressure, understand the results and know what normal...
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