Ground Strikes of Lightning

Lightning occurs when the atmospheric charge between a cloud and the ground or a nearby cloud becomes unbalanced. This process builds up a negative charge on the underside and causes the ground below or cloud to develop a positive charge in response.

The imbalance of electrical e...

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• The prodrome stage (one to two days before the headache itself): food cravings, depression, fatigue or low energy, frequent yawning, hyperactivity, irritability, neck stiffness.
• In migraine with aura: during an aura, you may have problems with your v...