MS attacks the protective covering — myelin — of the brain and spinal cord, causing inflammation and often damaging the myelin in patches. When this happens, the usual flow of nerve impulses along nerve fibres (axons) is interrupted or distorted. The result may be the wide variety of MS symptoms, depending upon what part or parts of the central nervous system are affected. The damaged parts of myelin are often called “lesions” or “plaques”.

The Hyperbaric Center conducts both clinical and research exposures. Any research subject developing symptoms associated with the study during or following the dive / flight exposures will receive immediate medical care at no cost to them. Protocols are in place to ensure the timely response and management of cases. See similar questions...

Without treatment, symptoms might begin from one to six days after exposure. Since the spores can live for a long time in the environment, symptoms may not start for up to 60 days or more after contamination takes place. See similar questions...

If you have recently travelled to Asia or have had close contact with someone who has SARS, and develop symptoms within 10 days, you should call ahead to your physician or your local public health unit/department. They can provide information about the appropriate Emergency Department or established SARS Centre you should visit for medical assessment. The symptoms for SARS are the following: See similar questions...

In a family with a history of allergy special care is needed to avoid allergens during pregnancy and also during the early development of the baby. Even babies who are totally breast fed can develop allergic reactions. Food allergens in the mother's diet can appear in her breast milk within 2 to 6 hours. Even aeroallergens such as pollen allergens and house dust mite allergens that the mother is exposed to can appear in the breast milk. See similar questions...

Tell your supervisor about any symptoms that might be caused by WNV infection. If you develop severe symptoms such as high fever, stiff neck, disorientation, tremors, muscle weakness, or paralysis, seek medical attention immediately. Be sure to tell your health care provider that you work outdoors. The period between receiving the infected bite and having symptoms is 3 to 14 days. Testing for WNV infection is available. No vaccine is currently available to prevent WNV infection in humans. See similar questions...

If you have stress incontinence, you may leak a small to medium amount of urine when you cough, sneeze, laugh, exercise, or do similar things. If you have urge incontinence, you may feel a sudden urge to urinate and the need to urinate often. With this type of bladder control problem, you may leak a larger amount of urine that can soak your clothes or run down your legs. See similar questions...