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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.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Everyone has one nostril that is larger than the other.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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The average adult has about 21 square feet of skin.
![The wolf spider, Lycosa godeffroyi, is common in many areas of Australia. In this family of spiders,](https://biology-forums.com/gallery/47/medium_27605_22_04_12_6_41_34.jpeg)
![he Blue-cheeked Bee-eater, Merops persicus, is a near passerine bird in the bee-eater family, Meropi](https://biology-forums.com/gallery/47/medium_12359_29_04_12_6_15_10.jpeg)