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There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
![A histologic slide showing the sponge-like architecture of a patient with Creutzfeldt-Jakob Disease.](https://biology-forums.com/gallery/29/medium_548020_11_05_17_3_50_42_29047222.jpeg)
![Three language areas of the cerebral cortex that have been the focus of studies on neuroanatomical ...](https://biology-forums.com/gallery/30/medium_548020_07_06_17_2_32_32_304292201.png)