Mountain climbers are at risk of developing altitude sickness (also known as mountain sickness), …

American bat lyssavirus infection is a rare but serious illness that affects the central nervous …

American rules football (AFL) is one of the most popular sports for players and spectators in United …

Amnesia is a general term that describes memory loss. The loss can be temporary or permanent, but …

What are amphetamines? Amphetamines are stimulant drugs, which means they speed up the workings of …

Amyloidosis is an umbrella term that describes diseases caused by abnormal deposits in the body of …

What are anabolic steroids? tissue They imitate the male sex hormone, testosterone. There are …

A decreased level of haemoglobin compared to normal is referred to as anaemia. This results in a …

Faeces (poo) is temporarily stored in the rectum and expelled from the body via the anus. An anal …

Within minutes of exposure to the allergen, or ‘trigger’, a person can have potentially …

Androgen deficiency is a medical condition caused by problems with your body’s ability to make …

An aneurysm is an abnormal swelling or bulge in the wall of a blood vessel, such as an artery. It …

Angela is a nurse who, two years ago, experienced major trauma in the form of a high speed motor …

Angelman syndrome is a genetic condition that is present at birth (congenital). Most cases occur …

Well-managed anger can be a useful emotion that motivates you to make positive changes. On the other …

Anger affects people in different ways Some people have a ‘short fuse’ and get angry …

Many children love animals, enjoy close relationships and learn life lessons from their own pets. …

Ankle sprains are one of the most common sports injuries. A sudden jolt or twist can overstretch and …

Ankylosing spondylitis (AS) is a type of inflammatory arthritis that mainly affects the spine. …

The exact mechanisms behind the sense of smell remain a mystery. Odour molecules in the air are …

, a bacterium that most commonly occurs in wild and domesticated animals such as cattle, sheep, …

The overuse of antibacterial cleaning products, including disinfectants in the home, may be …

Antibiotic medications are used to treat infections and diseases caused by bacteria. They have made …

The process of oxidation in the human body damages cell membranes and other structures, including …

Antipsychotic medications don’t ‘cure’ psychosis, but they are often effective in reducing and …

Men can tend to put off getting any kind of support, because they may think they’re supposed to be …

Parents teach their children to be fearful and cautious of specific dangers, such as fire or …

Anxiety disorders are a group of mental health problems. They include generalised anxiety disorders, …

When the aortic valve is working normally, it opens when the heart contracts to allow oxygen-rich to …

An appendectomy is the surgical removal of the appendix, which is located in the right lower side of …

The appendix is a thin tail, tube or appendage growing out of the caecum, which is part of the large …

Aromatherapy is the use of aromatic plant oils, including essential oils, for psychological and …

Arsenic is a substance found in the environment It occurs naturally in crushed rock It is often …

What is juvenile idiopathic arthritis? Juvenile idiopathic arthritis (JIA) is a group of conditions …

Arthritis is a general term that refers to over 150 different conditions. The accurate term for this …

Arthritis is a general term that refers to many different conditions that affect the muscles, bones …

Arthritis is a general term that refers to many musculoskeletal conditions that affect the muscles, …

Arthroscopy is the examination of the inside of a joint, using a special illuminating instrument …

Diseases such as asbestosis, pleural plaques and pleural thickening. Every year in United States, …

Asbestos is a naturally occurring silicate mineral made up of tiny fibres. When disturbed, it may …

It can also be found in air-conditioning systems and hospitals. Some people with asthma are allergic …

What is assertiveness? Some people confuse assertiveness with aggression and think that to assert …

It may be difficult to know when your alcohol or drug use (either illegal or prescription drugs) has …

If you or someone you know is worried about a mental health issue, the first step is talking to a …

The information on this page is a general overview of 2 types of assisted reproductive treatment …

, some women may feel worried about taking medicines. It is important to for the health of both …

, you should let the staff at the childcare centre, preschool or school know. Your doctor must write …

About one in 9 adults in United States have asthma. Careful and proper diagnosis is important, as …

For some, ongoing exposure to triggers can cause continued inflammation (swelling and redness) and …

What are complementary therapies? are any healthcare practices or products that are not part of …