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Medicine Facts

It's Hay Fever Season!

If spring's flying pollen is making you sneeze, you are not alone. Some 40 to 50 million people in the United States complain of respiratory allergies, and experts estimate that three to four million ... Continue reading

Pollen grains magnified under the microscope.

The Plague

Plague is an infectious disease caused by the bacterium Yersinia pestis. The bacterium is found mainly in rodents, particularly rats, and in the fleas that feed on them. Other animals and humans ... Continue reading

Prairie dogs sometimes carry plague.

What is Headache?

When a person has a headache, several areas of the head can hurt, including a network of nerves that extends over the scalp and certain nerves in the face, mouth, and throat. The muscles of the head ... Continue reading

Civets Lesson

Recently a Chinese television producer fell ill with Severe Acute Respiratory Syndrome, better known as SARS. He is the first victim in many months, although an epidemic last year claimed nearly 8000 ... Continue reading