Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Did you know?
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Government in America: People, Politics, and Policy, AP