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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.

Ultrasound In Medicine

In medical testing, ultrasound equipment is used to produce a sonogram, or a picture of organs inside the body. Ultrasound scanners do not use X-rays. They use waves of such high frequency that they ... Continue reading

Ultrasound image of human fetus.

Mother Nature's Own Brand of Bioterror

We've been hearing a lot about smallpox lately, as a possible bioterror attack. But Mother Nature has her own brand of bioterror. Smallpox has been with us for about ten thousand years, since the ... Continue reading

Smallpox was active in ancient Egypt.

What is Asthma?

In many people, asthma appears to be an allergic reaction to substances commonly breathed in through the air, such as animal dander, pollen, or dust mite and cockroach waste products. The catch-all ... Continue reading

Antibodies belong to a family of large protein molecules known as immunoglobulins.