Your friend confides in you that she is losing concentration, feels fatigued, has had some bouts with fainting and is dehydrated. She has also noticed that her fingers feel numb, especially when she is typing. She also admits to being forgetful. Your friend is looking for some guidance and she asks you if you might know what she is suffering from. Spend some time prior to Seminar researching these symptoms.
What could be a possible diagnosis for your friend?