|
|
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.
There are more nerve cells in one human brain than there are stars in the Milky Way.
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.
In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
![Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many](https://biology-forums.com/gallery/47/medium_27_24_08_15_1_27_04_223942387.jpeg)
![In 2010 protesters in Washington, D.C., demanded that the Obama administration support liberalized i](https://biology-forums.com/gallery/47/medium_27_24_08_15_1_42_55_22410556.jpeg)