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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
![Pneumothorax. Figure illustrates how puncture of thoracic wall and tearing of pleural membrane allow](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_14_27_84922380.jpeg)
![Gallbladder with gallstones. Note the stones in the hepatic duct, gallbladder, and common bile duct.](https://biology-forums.com/gallery/47/medium_14755_30_09_12_4_40_41_91531880.jpeg)