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Electromagnetic hypersensitivity

Electromagnetic hypersensitivity is a condition where a person feels unwell, which people who have it believe it to be due to being near electromagnetic fields. Other names for it include electrohypersensitivity, electro-sensitivity, and electric ...

                                               

Epilepsy

Epilepsy is a chronic condition of the brain. It is characterized by seizures that do not seem to have an obvious cause. To the outside viewer, these seizures show as episodes of heavy shaking. Depending on the seizure, the shaking may be short a ...

                                               

Epistaxis

Epistaxis is when blood comes out of the nose. It is more commonly known as a nosebleed. Even though nosebleeds can seem scary, they are usually not serious or life threatening. Most nosebleeds happen in the front of the nose, and these are calle ...

                                               

Exposure action value

Exposure action value is a limit on the level of noise that workers can be exposed to. The level of noise is measured in decibels and after this level, the workplace needs to make sure that workers are protected from the noise. Safety plans need ...

                                               

Fear of needles

Fear of needles is a term used to describe a large fear of medical procedures involving needles. In medical litererature it is usually called needle phobia. Other terms used include aichmephobia and belanophobia, but these can also refer to a mor ...

                                               

Hernia

A hernia is a medical condition. If an organ or its tissue moves from its normal position through to another position, this is called a hernia. There are various types of hernia. Most hernias happen in the abdomen. Hernias sometimes give pain and ...

                                               

Hiatal hernia

A hiatal hernia is a kind of hernia in which abdominal organs, usually the stomach, slip through the diaphragm. This may result in gastroesophageal reflux disease or heartburn. There are other symptoms, like dysphagia and chest pain. Other proble ...

                                               

Hyperacusis

Hyperacusis is a hearing health problem where people become more sensitive to some sounds for certain frequencies and volumes. This can make everyday sounds such as a car, dishwasher or refrigerator sound very loud. It is usually very difficult t ...

                                               

Hyperkalemia

Hyperkalemia is a medical term to indicate that the level of potassium in the blood is too high. Depending on the level of potassium in the blood, this can be a medical emergency. A level that is too high can lead to abnormal hearth rhythms. Many ...

                                               

Hyperthermia

Hyperthermia is a high body temperature. It happens when a person is not able to control their body temperature. This can happen for many reasons, like very hot weather, fever, and some medicines or illegal drugs. Doctors define hyperthermia as a ...

                                               

Hyponatremia

Hyponatremia is when a human body does not have enough salt in its blood. It is mostly caused by the presence of too much water. Hyponatremia is most often a complication of other medical illnesses in which excess water collects in the body faste ...

                                               

Hypothermia

Hypothermia is a condition when a person is so cold that the body temperature drops below normal. Hypothermia is any body temperature lower than 35.0 °C. Someone with hypothermia starts shivering and cannot stop. The person then becomes confused ...

                                               

ICD

The International Statistical Classification of Diseases and Related Health Problems is a list of codes that classify diseases and medical problems. A special, unique code is given to: Every medical condition including mental health problems Soci ...

                                               

Injury

Injury means a harm or hurt. Usually an injury is when the body or a part of the body is damaged by something outside of the body. Another word for injury to a body is trauma. Injury can be by: Chemical – being hurt by chemicals like burns from a ...

                                               

Insulin resistance

Insulin resistance is a serious condition in which insulin becomes less able to lower the level of glucose in the blood. Usually, insulin helps sugar move out of the blood and into the bodys cells. In the cells, the body can use sugar to make ene ...

                                               

Intracranial aneurysm

Cerebral aneurysms, also called brain aneurysms, are a cerebrovascular issue in which weakness in the walls of a cerebral artery causes localized dilation or ballooning in the blood vessel. Small, unchanging aneurysms may produce very few symptom ...

                                               

Jet lag

Jet lag is a physiological condition, often occurring when humans travel from one time zone to another. It happens because of the time difference between two places. Some people suffer from jet lag more than other people do. If the departure time ...

                                               

Lactose intolerance

Lactose intolerance is when a person cannot digest milk or milk products. All mammals start off on mothers milk, and almost all change to a non-milk diet, a process we call weaning. Lactose is a disaccharide sugar double sugar molecule. To be dig ...

                                               

Lung tumor

Lung tumors are tumors that grow in the lungs. Some of the tumors are cancer. Some tumors are benign, or non-cancerous. There are many types of lung cancer. Some types are common and some are rare. Lung tumors can be cancer that has spread to the ...

                                               

Multiple sclerosis

Multiple sclerosis is a serious health condition that gets worse over time. In this disease, the body’s natural guard against illness damages fatty coverings called myelin sheaths around the nerve cells in the central nervous system. The disease ...

                                               

Necrotising arachnidism

Necrotising arachnidism is a medical condition caused by a spider bite. The skin can blister, form ulcers, and in some cases be destroyed. It is very painful and could need skin grafts. Doctors are still unclear about the treatment of the conditi ...

                                               

Night terror

A night terror, also known as a sleep terror, is a sleep disorder that causes extreme terror and a temporary inability to regain full consciousness. The person having the night terror wakes up suddenly, usually gasping, moaning, or screaming whil ...

                                               

Noise-induced hearing loss

Noise induced hearing loss is hearing loss caused by sounds that are too loud and damage hearing cells in the ear. This can make noises sound quieter as well as make noise less clear, it can also cause other hearing related symptoms such as tinni ...

                                               

Oedema

Oedema is dropsy. It was usually called dropsy until about the middle of the 20th century. It is a medical condition, and a sign or symptom. It is swelling caused when fluid leaks out of the bodys capillaries into the tissues. The fluid builds up ...

                                               

Pectus excavatum

Pectus excavatum is a congenital medical condition where the ribs and sternum grow abnormally, producing a sunken appearance to the chest. This makes the chest look like it has caved in on itself. It is also commonly referred to as "funnel chest" ...

                                               

Peripheral neuropathy

Peripheral neuropathy happens when the nerves of the peripheral nervous system suffer damage due to disease, trauma to the nerves or through side effects of a certain illness. The four patterns of this condition are polyneuropathy, mononeuropathy ...

                                               

Presbycusis

Presbycusis is a type of sensorineural hearing loss which is caused by natural aging. Presbycusis occurs over time, becoming worse as people age and can not be reversed. It is the most common form of hearing loss and the second most common illnes ...

                                               

Rosacea

Rosacea is a chronic facial condition that is characterized through acne and redness. It can happen to people of any age. It gets worse if left untreated. There are four types of rosacea, three involving human skin and the fourth affecting eyes. ...

                                               

Scoliosis

Scoliosis is a medical condition in which the human or animal spine has a sideways curve. The curve is usually S-shaped or C-shaped. In some, the curve is stable. In others, though, it increases over time. Mild scoliosis does not often cause prob ...

                                               

Skull bossing

Skull bossing is when the bones of the skull become bigger than normal which most often occurs in the frontal bones beneath the forehead. Skull bossing may happen from different medical conditions.

                                               

Sleep apnea

Sleep apnea is a problem certain people have: When they sleep, they may stop breathing for short periods. These periods can last for 10 seconds or more. 3-4 breaths are missed. As a result of this, those affected are often tired during the day. M ...

                                               

Substance abuse

Substance abuse, or drug abuse, happens when a person uses a drug over and over again, in ways that hurt their health. The person is using the drug to change their mood or to feel better, not for any healthy reason. Sometimes when the person uses ...

                                               

Tardive dyskinesia

Tardive dyskinesia is a serious neurological illness. It is a type of dyskinesia - a disorder that causes movements that happen over and over again, which a person cannot control. "Tardive" means these movements do not start right away, or they s ...

                                               

Teratogen

A teratogen is a material that can cause congenital defects. Some things can be teratogens, including some chemicals, medications, and infectious diseases. About 75% of all congenital disfectants are caused by teratogens. p. 23-3

                                               

Tetraplegia

Tetraplegia is a condition in which a human loses use of all limbs and the torso. It usually affects both the ability to move and the use of the senses. Quadriplegia is the common term in North America. Tetraplegia is the term in Europe. Tetraple ...

                                               

Thalidomide

Thalidomide is a drug. It was used as a sedative. It also had uses for other illnesses. It was mainly prescribed to pregnant women in the 1950s and 1960s, to help with sleep, until it was found to be a teratogen that is: birth deformity causing s ...

                                               

Tinnitus

Tinnitus is a symptom of hearing loss and other hearing problems. It is described as hearing sound in the head or ears that does not come from an outside source. Many people will hear ringing, buzzing, hissing or whistling sounds, but tinnitus ca ...

                                               

Turner syndrome

Turner syndrome, also known as 45 X, is a genetic disorder of human females. It is usually caused by the loss of one of the X chromosomes. Turners syndrome occurs in 1 out of 2000, to 1 out of 5000 female births. The condition is much more common ...

                                               

Underweight

The term underweight refers to humans that have much less weight than they should. Being underweight is bad for the overall health of the person affected. It is normal what a persons weights changes over time. Being underweight is often defined u ...

                                               

Epidemiology

Epidemiology is the study of factors that influence the health and illness of populations. The three levels of causation of health problems include individual behavioral level, individual biological level, and political-economic ecological level. ...

                                               

Oral rehydration therapy

Oral rehydration therapy is a treatment for dehydration: the sick person drinks water mixed with sugar and salt. They dont stop eating food. There is a mixture that is used for severe dehydration: This mixture also includes zinc. Those who take c ...

                                               

Public health observatory

In the UK, a public health observatory is a public health and wellness project. On 1 April 2013, the regional Public Health Observatories transferred along with the specialist observatories and the National Cancer Intelligence Network into Public ...

                                               

Tuskegee syphilis experiment

The Tuskegee Syphilis Experiment was a clinical study. The study was done between 1932 and 1972 by the United States Public Health Service. Its goal was to study how syphilis progressed if it was not treated. The studys subjects were poor African ...

                                               

Signs and symptoms

A sign is a change in the body that can be heard, seen, felt, or smelled by a doctor. A sign may also be shown on medical tests like X-rays or blood tests. For example: A doctor can see that a person has a bruise or swelling. These are signs of a ...

                                               

Abrasion

In dermatology, an abrasion is a damage to the skin that affects only the surface, generally not deeper than the epidermis. But it can give mild bleeding. Mild abrasions, also known as grazes do not scar, but deep abrasions may lead to the develo ...

                                               

Abscess

An abscess is pus that has built up within the tissue of the body. Signs and symptoms of abscesses include: redness, pain, warmth, and swelling. This swelling feels like it is filled with fluid if it is pressed. The area of redness is often bigge ...

                                               

Auditory hallucination

An auditory hallucination is a type of hallucination in which a person thinks they hear sounds, but the sounds are not actually there. In medical terms, it is called a paracusia. A common form involves hearing one or more voices talking. This can ...

                                               

Bruise

A bruise, also called a contusion or an ecchymosis, is a visible bluish or purplish mark or patch appearing beneath the surface of the skin, resulting from blood that leaked out of the deeper layers of the tissues. Bruises are usually caused by a ...

                                               

Callus

A callus is an area of thick skin that forms due to pressure, friction or irritation. Repeated contact is needed for them to form. Calluses are often found on ones feet because of walking and badly fitting shoes. Though they may appear unsightly, ...

                                               

Fever

A fever is when a persons body temperature is hotter than 37.5 degrees Celsius. Normal body temperature for humans varies based on a variety of factors, including age and level of physical activity. It is typically cited as 37 degrees Celsius, bu ...