Cervical spinal stenosis is a spinal condition causing pain, weakness, or numbness in the arms, legs, or neck. Multiple sclerosis is a disease of the nervous system causing difficulties with balance, speech, and movement.
Facts about Spring Begins. 1  In 2015 the beginning of spring is Friday, March 20th. 2  The First Day of Spring is also called the Vernal Equinox. 3  The Vernal Equinox is the day of the year where there are exactly 12 hours of daylight and 12 hours of dark in the Northern Hemisphere.
When does spring officially start? How do we define the seasons? It depends on whether you are referring to the astronomical or meteorological spring. When we talk about the beginning of winter or any other season, we are usually talking about the day in our calendars that mark this date. This refers to the astronomical seasons which are a result of the Earth's axis and orbit around the sun.