|
|
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
![The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row](https://biology-forums.com/gallery/47/medium_4_23_06_16_8_41_01_236271811.jpeg)
![Dolores Huerta and Cesar Chavez, leaders of the United Farm Workers, discuss their 1968 strike of ...](https://biology-forums.com/gallery/47/medium_646588_06_12_16_2_57_08_242331057.jpeg)