Antihypertensive drugs are medicines that help lower blood pressure in people whose blood pressure is too high. Blood pressure is a measurement of the force with which blood moves through the body's system of blood vessels.
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Migraine headaches result from a combination of blood vessel enlargement and the release of chemicals from nerve fibers that coil around these blood vessels. During the headache, an artery enlarges that is located on the outside of the skull just under the skin of the temple (temporal artery).
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Microwave is apparently heading for exhibiting good potential in the field of Pharmaceutical industry. The write up attempts to throw light on what is microwave, how is it generated and what importance may it have.
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Oral bioavailability of certain drugs can be limited by the residence time of pharmaceutical formulation in the upper gastrointestinal tract. Gastric emptying plays an important role in the dynamics of drug absorption and can lead to variable and unpredictable availability. And it becomes more critical for drugs which are exclusively absorbed in the upper small intestine or in a limited segment of the intestine. To overcome this restriction and to increase the bioavailability of these drugs, controlled drug delivery systems with a prolonged residence time in the stomach can be used. Approaches to achieving prolonged residence times of the devices in the upper part of the gastrointestinal tract include the use of bioadhesive, size increasing, and floating drug delivery systems.
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Herbs are vital source of drugs from the ancient time holding the scenario of the Indian system of medicine. Acanthus ilicifolius Linn. (Acanthaceae) is relatively lesser-known, yet important medicinal plant of Herbal Materia Medica. The plant is used in traditional systems of medicine, including Traditional Indian Medicine.
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Global Pharmaceutical companies based in developed countries are increasingly turning to developing countries and emerging economies around the world for conducting clinical trials. Reduced costs combined with easy availability of patients with varied diseases makes developing countries favourite destinations for clinical research outsourcing.
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