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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
![As sessile organisms, plants have evolved many mechanisms to mitigate the potential damage of abioti](https://biology-forums.com/gallery/47/medium_33_25_07_11_12_57_31.jpeg)
![An inguinal hernia. A portion of the small intestine is protruding through the abdominal muscles int](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_09_47_84781326.jpeg)