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  1. ... nervous system, with a severe "classic" form that starts in the newborn period and a milder, late- ...
  2. ... those days involving migraine headaches. Migraines typically first start during a person's teens to early twenties, ... as the postdromal phase).The premonitory phase can start from several hours up to several days before ...
  3. ... The region of the brain where the seizures start tends to stay the same over time. In rare instances, seizure activity that starts in one area spreads to affect the entire ...
  4. ... pacemaker. The SA node generates electrical impulses that start each heartbeat. These signals travel from the SA ... is essential for creating the electrical impulses that start each heartbeat and coordinate contraction of the cardiac ...
  5. ... women in the United States. Androgenetic alopecia can start as early as a person's teens, and ... several months, and then falls out. The cycle starts over when the follicle begins growing a new ...
  6. ... begin hormone replacement therapy during early adolescence to start puberty, causing the breasts and uterus to grow, ... particular genes. The sex-determining region Y protein starts processes that are involved in male-typical sex ...
  7. ... In African Americans, the condition is more common, starts at a younger age, and is more severe ...
  8. ... of the FGFR1 protein outside the cell, it starts a series of chemical reactions inside the cell ...
  9. ... and deepening of the voice in males, the start of monthly periods (menstruation) and breast development in ...
  10. ... SA) node, which generates the electrical impulses that start each heartbeat. If the SA node is not ...
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