With proper maintenance, itâs possible to extend the life of an engine by a considerable amount, up to 500 hours for regular maintenance, and even up to 1,000 hours for those boaters with the utmost dedication. Maintenance and care will prolong the life of the engine, and overall, save a lot of money.
In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and symptoms. For example, an exacerbation of asthma might occur as a serious effect of air pollution, leading to shortness of breath. Last Editorial Review: 5/13/2016.
Recognizing the Signs of Multiple Sclerosis Exacerbation. Multiple sclerosis is a condition that affects a person's brain and spinal cord and often results in nerve damage. There is an abnormal immune response experienced in those with MS. The body attacks the protective covering around the nerve fibers, disrupting communication between the brain and body.