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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
![A cast of LB1 (left) was compared to several microcephalic skulls, amongst which is that of the micr](https://biology-forums.com/gallery/47/medium_27581_22_04_12_5_16_28.jpeg)
![A shim (or half shim) may be needed to provide the proper clearance between the flywheel teeth of ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_5_45_20_29789177.png)