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Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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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.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Water movement between capillaries and interstitial fluid. Water movement between capillaries and interstitial fluid.
Palpation of Lymph Nodes, Posterior Cervical Chain Palpation of Lymph Nodes, Posterior Cervical Chain
Location of lymph vessels, lymphatic ducts, and areas of lymph node concentrations. Location of lymph vessels, lymphatic ducts, and areas of lymph node concentrations.
Schematic drawing of initial/terminal (I/T) lymph vessel. Schematic drawing of initial/terminal (I/T) lymph vessel.
Lymph node structure. Lymph node structure.
Suggested sequence for palpating lymph nodes Suggested sequence for palpating lymph nodes
Video: Role of the respiratory system - effect of altered ventilation rates

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