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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
In 1864, the first barbiturate (barbituric acid) was synthesized.
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
![Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_40_33_198392.jpeg)
![Acute exacerbations of asthma can require management in the emergency department. The child is place](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_09_38_92591688.jpeg)
![A medical records department. (Paper records are becoming obsolete, replaced by electronic records.)](https://biology-forums.com/gallery/47/medium_380792_19_05_16_2_39_01_235261537.jpeg)