|
|
Vaccines prevent between 2.5 and 4 million deaths every year.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.