Answer: (Medical Xpress)—Asthma is a debilitating condition that kills 250,000 people around the world each year. People with asthma have hyperreactive airways and thickened lung walls obstructed with mucus. During an asthma attack, which could be fatal, airways constrict even further in the presence of a trigger, such as pollen, dust mites or a viral infection. Current asthma therapies treat asthma attacks as immune responses and focus on immune system suppression. However, a study by Dimitri Trankner of Howard Hughes Medical Institute in Virginia and his colleagues, published in the Proceedings of the National Academy of Sciences, shows that sensory neurons control bronchial hyperactivity.
Explanation:
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B. CDC and FDA
Explanation
Under the CDC,GID (Global Immunization Division) ensures effectiveness of global public health programs which include vaccination against deadly diseases. The division works with other partners to ensure vaccine-preventable diseases are handled. The Food and Drug Administration’s (FDA) top priority is the ensure the safety and effectiveness of vaccines. Through the Centre of Biologics Evaluation and Research (CBER), over sighting of vaccines in the U.S is done to assure the availability of safe and effective vaccines.
Gray water is untreated waste water. You might use this water for flushing toilets
