News Medical's "Thought Leaders" series is a selection of articles written by national and international experts and trusted advisers in health and medicine. All the articles are written by experts who have been invited as recognised leaders in their fields to provide a "state of the art" contribution.
Schizophrenia is the most disabling disease impacting youth today. It impacts 1% of the total population and typically causes withdrawal from society, loss in IQ, disordered thought and speech, hallucinations and delusions.
It is important to say that levels of maternal obesity in sub-Saharan Africa are low by global standards, but obesity is projected to increase over the next two decades.
Medical ethics assists healthcare professionals to make decisions respectful of persons who happen to be their patients.
Anaemia is a condition in which the number of red blood cells in the body is lower than normal or these have lower amounts of haemoglobin, a protein that is involved in the oxygen exchange of the body.
Most donors die in intensive care units, frequently after car accidents. Once it is clear that recovery is out of the question, families will be told that further treatment is futile and the issue of donation can be sensitively raised.
The anti-HIV drugs, also known as anti-retroviral therapy, came about in the mid ‘90’s. These involved using at least 3 different drugs together.
Adverse drug effects are harms caused by the use of a medication. There are many different types of ADEs, including medication errors.
Breast cancer is the most important cancer for women in the developed world. About 20% of all patients diagnosed with breast cancer die of metastatic disease.
'What defines obesity in children' is a very important question, primarily because we need to use one definition in order to be able to compare the prevalence of obesity in different countries. It is also important to have a single definition in order to evaluate whether interventions are successful or not.
Parkinson’s disease is a disorder which usually affects people in their 60’s and older. It is caused by the loss of dopamine neurons in the brain leading to rigidity, slowness of movement, tremor, problems with balance and so forth.
The antioxidants that we mainly looked at were selenium, vitamin C and vitamin E. They are chemicals which inactivate pro-oxidants or free radicals. Smoking and normal metabolism can lead to the production of free radicals.
With the approach of the Olympic Games, a group of researchers throughout the world thought that it would be a good time to draw the attention of the world to the health dangers of being physically inactive.
TB is a leading global killer. It is the second leading infectious disease in the world, behind HIV. TB is spread through the air, so it can affect anyone, but has its worst impact on impoverished communities and those people with HIV.
Sexual intercourse is the major mode of HIV transmission. HIV may also be transmitted through sharing of needles or contaminated blood products (although this is rare).
Since its discovery in 1989, hepatitis C virus (HCV) has been recognized as a major cause of chronic liver disease worldwide. The most recent WHO estimate of the prevalence of HCV infection is 2%, representing . about 150 million people. Every year, 3–4 million new people are infected with the hepatitis C virus, of those, approximately 60–80% develop chronic hepatitis, and 30% of them progress to cirrhosis and to end-stage liver disease.
Malaria is caused by a multi-staged parasite which is transmitted by the bite of infected female anopheles mosquitoes. It affects millions of people and kills more than 500,000 people throughout the world every year.
The tendency to get allergies is a fairly general one, which is mostly inherited – it tends to run in families. There are several foods that are most common for children to become allergic to: milk, egg and peanuts in most countries are the most common food allergies.
Type 1 diabetes is a disorder in which the body makes proteins (antibodies) against the cells in the pancreas that produce insulin, destroying those cells. As a result, individuals are unable to secrete insulin to normalize blood sugar and hyperglycemia results.
In 2007/8 when we were thinking about the study, there wasn’t a clear picture of the number of preventable deaths in English hospitals. There had been an important report by the chief medical officer of the NHS in 2000 (An Organisation with a Memory) and he talked of the possibility of between 60,000 and 250,000 cases of severe disability or death arising in hospitals.
We are very interested in hepatitis C as it is the most common indication for liver transplant in the Western world. The difficulty is that recurrence happens in the majority of patients within the first 2 to 7 years after transplant, and occasionally sooner.