Date: Tue, 16 Jan 2007 12:19:05 -0600
The body's natural defences against the cold consist of restricting the flow of blood to the skin so as to prevent heat loss, along with shivering and releasing hormones to generate heat.
Repeated episodes of high pressure can damage the arteries, causing them to thicken and become less elastic. These can take the form of laser surgery or a trabeculectomy - an operation to improve drainage of the eyes.
The surgery was performed by the Queen's orthopaedic surgeon Roger Vickers, with her physician Richard Thompson in attendance.
What is the treatment?
Instead, run, jog or exercise closer to sunrise or sunset. Some babies develop symptoms later, and these babies usually get a type of meningitis called GBS meningitis. They offer long-term protection from allergies.
How can they be avoided?
BBC News Online investigates.
The best way to reduce the risk of contracting the disease is to reduce exposure to mosquitoes.
There are four main groups of antiretroviral drugs.
Salt pills are available to replace minerals lost in the sweat. In the UK, the past decade has seen a vast increase in the number of food poisoning cases reported to the authorities.
Scientists are trying to develop a vaccine for GBS, but technical problems mean that it's likely to be some years before one is available. If you can, try to stay in an air-conditioned environment.
It is not a sexually transmitted disease.
Many doctors are worried that they are being put under increasing pressure to use more of the fertility drugs to produce more eggs and so increase the chance of the woman getting pregnant.
It is likely that many cases of Legionnaires' disease go undiagnosed.
This condition can be fatal if not treated quickly.
It is thought to be the leading cause of liver cancer. If the tear to a meniscus is more extensive, the doctor may perform keyhole surgery to see the extent of injury and to repair the tear. Others can have multiple symptoms that are severe. However, at advanced stages, the disease may be fatal.
How do users take heroin?
The Cancer Research Campaign is investigating.
Because of the importance of the HGH to the body's biochemistry, HGH has also been promoted as an anti-ageing treatment.
When they come into contact with the tissue inside the nose, they trigger an immune reaction that can cause congestion, sneezing, itching, and a runny nose.
If liver damage is severe, then a transplant may be the only option.
Those at risk include smokers and those with an existing health problem. However, he realised his error in time. In addition, with age, the meniscus begins to deteriorate, often developing degenerative tears.
Over the weeks following infection, the disease manifests itself in a variety of symptoms, some of them severe. There have also been cases of fertilised eggs being mixed up in the laboratory and the wrong embryo being implanted in the woman, leading to fears about how the process is carried out. The causeHayfever is an allergy to pollens - the male reproductive parts of plants - from grasses and trees.
