Antibiotic drugs can save lives. But some germs get so strong that they can resist the drugs. This is called resistance. The drugs don’t work as well. Germs can even pass on resistance to other germs. Antibiotics normally work by killing germs called bacteria. Or they stop the bacteria from growing. But sometimes not all [...]
True or False: The average 55 year-old man has more estrogen than a 59 year-old woman.
True! Unless a man exercises regularly, he loses muscle mass to fat as he ages, and his testosterone is being converted to estrogen. This occurs because of an enzyme called aromatase. The more fat there is, the more aromatase is produced, which in turn converts more testosterone to estrogen. This can become a viscious cycle. [...]
Our “Sickness” Care System
The emergency medical care system in America is among the best of the best. However, the rest of our healthcare system is a horse of a different color. A more appropriate description would be “sickness” care. Despite the fact that the U.S. spends more money on health care than any other nation, it ranks just [...]


