first, low blood pressure will cause u to feel dizzy when u stand up... but also, low iron is the most common cause of anemia.
your body needs iron to build red blood cells, and red blood cells carry oxygen throughout your body. if your red blood cell count is low, that's called anemia, and it can cause a variety of symptoms... including, low blood pressure, lightheadedness, dizziness, fatigue, weakness, and even fainting. it can make u short of breath as well, and could cause added, unnecessary strain on your heart and other organs if u don't take care of it.
if u eat meat, u should try to eat more red meat, and eat a lot of greens. if your diet is insufficient, or your body simply is predisposed to trouble absorbing iron from your food, u can take iron supplements.
if your diet is poor, u should check for other vitamin deficiencies as well, just to be on the safe side.. and make sure u manage these things. people always think "it's just a vitamin, or just a mineral", but they can cause a fair bit of trouble.
u can check out these websites:
or do any google search yourself to find pages about anemia or iron deficiency.
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