A cellâs plasma membrane separates and protects the cell from its environment. The structure of a cell membrane allows only small uncharged molecules to diffuse through. However, nature has equipped cell membranes with several ways to control the movement of larger or charged molecules into or out of a cell. In some cases, transport across a cell membrane requires biochemical energy.
1. Water. If the cause of your headache is dehydration, you can easily get relief from the pain by rehydrating your body. 1  Simply drink a glass of water at the first sign of a headache and continue taking small sips throughout the day. 2  Along with water, you can have sports drinks.pplying heat on the back of your neck can relieve headaches caused by stress. Heat relaxes tense muscles, thus alleviating the throbbing pain. 1  Simply apply a hot water bag to the back of your neck or take a hot shower directing the water onto the back of your neck.
That reason is dehydration. Believe it or not, dehydration can cause headaches. Dehydration is the loss of water and electrolytes, such as sodium, chloride and potassium, which are necessary for the body to function. The main cause of dehydration is not drinking enough water to maintain healthy levels.evere dehydration is serious and potentially life threatening. The initial symptoms of dehydration include thirst and minor discomfort. Symptoms can progress to headache, fatigue, weakness, constipation, parched lips, dizziness, dry or flushed skin, rapid heartbeat and muscle cramps.