In some cultures in the Northern Hemisphere, the astronomical March equinox (varying between 19 and 21 March) is taken to mark the first day of spring, and the Northern solstice (around 21 June) is taken as the first day of summer. In other traditions, the equinox is taken as mid-spring.
Circulation problems that cause dizziness. You may feel dizzy, faint or off balance if your heart isn't pumping enough blood to your brain. Causes include: 1  Drop in blood pressure.
By Mayo Clinic Staff. Print. Balance problems are conditions that make you feel unsteady or dizzy. If you are standing, sitting or lying down, you might feel as if you are moving, spinning or floating. If you are walking, you might suddenly feel as if you are tipping over or generally unsteady. Many body systems â including your muscles, bones, joints, vision, the balance organ in the inner ear, nerves, heart and blood vessels â must work normally for you to have normal balance. When these systems aren't functioning well, you can experience balance problems. Many medical conditions can cause balance problems. However, most balance problems result from issues in your balance end-organ in the inner ear (vestibular system).