Hepatitis B is a virus that affects the liver. It is more prevalent in Asia and Africa and can be either acute (more common), resolving itself relatively quickly with no long term liver damage, or chronic (in about 20% of cases) lasting six months or more, and sometimes even for life with symptoms coming and [...]
Hepatitis A is an infection of the liver caused by the hepatitis A virus. The well-respected World Health Organization (WHO) estimates that almost 1.5 million new cases of hepatitis A related illnesses occur each year worldwide, with a much higher number of people than this affected without showing any symptoms. The condition is more prevalent [...]
When the heart is unable to pump blood around the body efficiently, it is known as heart failure. Heart failure can affect either the left or right side of the heart, or in some cases, both sides. The condition can be brought on by a number of diseases including high blood pressure, heart valve disease, [...]
Heart attacks occur when heart muscles do not receive enough oxygen rich blood and therefore start to die. This can happen for a variety of reasons, but usually occurs when a blood clot forms in one of the blood vessels leading to the heart. If this clot gets large enough it can block the blood [...]
A headache involves having mild to severe pain in a specific, or many, areas of the head or back of the neck. Countless “types” of headache exist, all caused by a variety of reasons, and although they can be painful and rather annoying, they are, for the most part, not a sign of a serious [...]
Hay fever can be described as an allergy caused by pollen. Pollen is the very fine powdery substance created by plants for the use in pollination, or fertilization. In its most common guise, hay fever is the allergy caused by grass or hay pollens and usually occurs from late spring until early summer. Usual symptoms [...]
Gastroesophageal reflux disease, or GERD, occurs when stomach acid or the juices of the stomach flow back into the oesophagus, which is the tube that connects the throat and the stomach. This can occur after eating too much or bending over soon after eating and can leave a sour taste in the mouth. When this [...]
A food allergy occurs when someone’s immune system reacts adversely to a particular type of food. When this happens it causes inflammation in certain bodily tissues and can even be life threatening. A food allergy should not be confused with food intolerance because, although in both situations the body can react to even a very [...]
Genital warts are considered to be the most common form of STD (sexually transmitted disease) and are caused by the virus called human papilloma virus (HPV). Genital warts can be transmitted during sexual activity and by skin-to-skin contact with an individual who has the virus. When the warts appear after infection, they can either be [...]
Swine flu is a disease that affects pigs and is a highly contagious type of respiratory disease caused by a version of the influenza A virus. Typically, swine flu is of the subtype designated as H1N1, and this is also the subtype that is currently affecting humans. Although swine flu normally affects pigs, it can [...]
Hair loss is a problem that many people suffer from. There are different types of hair loss affecting both men and women. Whoever suffers from it, whether male or female, hair loss can lead to many issues with self-esteem and confidence. The main types of hair loss suffered by individuals are detailed below. Male-pattern baldness [...]
Diarrhea can simply be defined as loose, watery stools. People are classed as having diarrhea if they pass such stools more than three times a day. If somebody has acute diarrhea, the problem usually persists for a couple of days only and then clears up of its own accord. On the other hand, if an [...]
Drug allergies are adverse reactions to medication drugs and these reactions can be separated into three groups. First are those not actually related to the drug in question at all, but are coincidental and attributed to other mitigating factors associated with the illness or disease. Second are common predictable reactions like side effects related to [...]
Down syndrome is a genetic disorder otherwise known as trisomy and it is where an individual has inherited an additional or extra copy of a particular chromosome. In the case of Down’s syndrome, the affected individuals have three copies rather than two of chromosome 21. The consequence of this additional copy is that it changes [...]
When the body cannot use glucose efficiently due to lack of the hormone insulin or because any insulin available may not be working effectively, diabetes occurs. The body converts all glucose from food into energy and this glucose is found readymade in sweet or starchy foods like cakes and pasta. The liver can also make [...]
Nearly everybody alive goes through a state of feeling sad, or what we normally call depressed, but this usually goes away after a time. Individuals that happen to have a depressive disorder, or what we know as clinical depression, tend to find that this interferes with their daily lives and routines. To give depression an [...]
Doctors use the term dementia to describe the process that occurs when the brain of an individual ceases to work properly. When the condition does occur, the individuals affected start becoming confused and forgetful. Although many people tend to get confused and become forgetful as they grow older, this is exacerbated many times over in [...]
A cough is basically a reflex action so the airways can be cleared of phlegm, mucus and other irritants like dust and smoke. An inflammation of the upper respiratory tract due to a virus could also cause a cough. Coughing can be symptomatic of many conditions including bronchitis, asthma, the common cold, flu, whooping cough [...]
Eczema can be described as a generalized term for various inflamed skin complaints, and one of the most common forms is atopic eczema. Although eczema varies in appearance from person to person, it can usually be characterized by red, very itchy blotches on the skin. People often refer to the condition as the “itch that [...]
Erectile Dysfunction, or impotence as it is otherwise known, is the inability in males to achieve or sustain an erection so that sexual intercourse (or other sexual activity) can take place. It is said to affect one in every ten men and the causes can be either physical or psychological. Erectile dysfunction is a very [...]
A female condom is a thin pouch or sheath that is worn by a woman during sex. It lines the vagina in its entirety and assists in preventing unwanted pregnancy and STD’s. To use a female condom, you must first open up the package very carefully. This is to make sure you don’t rip or [...]
Whereas acute pain in an individual is a typical sensation that is usually triggered to alert them of a possible illness or injury, chronic pain differs in that it can last for weeks, even months or years. Although there could have been an initial trigger for this pain such as an infection or injury, or [...]
Chronic fatigue syndrome (CFS) is usually characterized by a prolonged bout of fatigue accompanied by a wide range of other symptoms. The condition can affect individuals of any age but is more common between the ages of 25 and 45, with females usually affected more than males. An adult is diagnosed with CFS if, for [...]
A condom is classed as a barrier contraceptive and its job is to block any sperm from fertilizing a female egg. Condoms can be made from latex, lambskin or polyurethane and are known to be approximately 98% effective at preventing pregnancy if used in the correct manner. It has to be pointed out that lambskin [...]
The common cold can be described as an infection of the higher reaches of the respiratory tract, or in other words the throat, the nasal passages and the nose. It is interesting to note that there are over two hundred different virus’ that can presently cause the common cold, but the main culprit in adults [...]
When a part of the small or large intestine (the bowels) becomes blocked, either totally or partially so that stools cannot get through, this is known as a bowel obstruction; and it can happen to anybody. Blockages can occur for a number of reasons. Some of these include hernia, gallstones, tumors, abnormal growth of tissue, [...]
Birth control pills are basically pills that are taken on a daily basis and which contain certain hormones that will change the way the uterus and ovaries perform thereby preventing pregnancy. Most birth control pills today are classified as combination pills which means they contain both progesterone and estrogen hormones which prevent the release of [...]
Chlamydia is a sexually transmitted disease and is considered to be the most common of all these STD’s. Found in vaginal fluids and semen, it is a bacterial infection that infects approximately one in ten sexually active young people. This disease is spread from one person to another via all types of sexual activity and [...]
Bulimia can be described as a disorder whereby the sufferer binge-eats and then uses some extreme measures such as vomiting to try and rid the body of the food eaten to prevent any weight gain. The symptoms of bulimia include a detrimental focus on weight or body shape, a sense of being unable to control [...]
Conjunctivitis, or pink eye as it is sometimes known as, is an inflammation that affects the outer lining of the eyes. The condition is caused by bacteria or virus’ but can also affect people due to allergies or exposure to certain chemicals. Anyone can catch conjunctivitis but those closest to a sufferer are more at [...]
Having constipation means to have a common digestive problem where it may be hard to have bowel movements, or the bowel movements are infrequent. Also, the stools can be hard which makes it difficult for them to pass through, meaning people have to strain to get them out. Constipation can be prevented by following some [...]
First of all we should try and explain what influenza (flu) is. There are three main types: A, B and C, with B and C only infecting humans and influenza A being able to infect humans, animals and birds. The surface of each influenza A virus contains two types of protein, neuraminidase (N), of which [...]
Bipolar disorder is more commonly known as manic depression and is actually a fairly common mood disorder. The condition can be characterized by alternating episodes of depression and euphoria and there are several symptoms associated with it that affect the daily functioning of an individual as well as the relationships they have with others. Some [...]
In nearly all countries of the world, back pain is the single largest cause of absence due to sickness from work. It is a chronic problem in a lot of people and a large proportion suffer from recurring problems. More often than not, the pain is due to minor damage that may have occurred to [...]
Autism is a type of brain disorder that affects the way individuals understand and hence, react with the world about them. Because of this, these people tend to act differently to others. On encountering an autistic child, someone would be hard-pressed to distinguish between the child and other “healthy” children around them. As there are [...]
Atopic eczema is the most common form of eczema and is identified by skin inflammation that causes the associated symptoms. Atopic is just a description for specific allergic tendencies some people may have. However, having atopic eczema is not in itself the same has having a simple allergic type of condition as people with this [...]
The simple description of asthma is that it is a condition that affects the bronchioles in the lungs. Every now and again these tiny airways that are the bronchioles constrict in individuals who have asthma, and it is this that causes the typical symptoms of the condition. How much these tiny airways narrow, and the [...]
An anxiety disorder can loosely be described as a condition where feelings of anxiety can get in the way of normal, everyday life. Many things can cause or even be classed as an anxiety disorder, and these can include phobia, obsessive compulsive disorder (OCD), post traumatic stress disorder (PTSD), panic attacks and generalized anxiety disorder [...]
Anorexia or anorexia nervosa to give it is proper name is a kind of eating disorder but is also classed as a psychological disorder as well. As of yet, no one has determined the cause of the condition but there has been plenty of research into the possibilities. Many specialists feel that it is socially [...]
Anemia occurs when a person’s red blood cell count falls under normal numbers. Red blood cells in the body are responsible for transporting oxygen from the lungs so when these numbers start to fall, an anemic person may start to feel tired and lethargic due to a lack of oxygen. There are many causes of [...]
