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The human body produces and destroys 15 million blood cells every second.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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.
![Daily changes in photosynthesis and nitrogen fixation gene expression in Synechococcus cultures isol](https://biology-forums.com/gallery/47/medium_33_15_07_11_12_17_00.jpeg)
![Triangle plot showing gene expression related to xylem, phloem, and nonvascular tissue in Arabidopsi](https://biology-forums.com/gallery/47/medium_33_25_07_11_12_59_28.jpeg)