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Medicine Facts

What Is Sickle Cell Anemia?

Sickle cell anemia is an inherited blood disease. That means you are born with it and it lasts a lifetime. Sickle cell anemia affects the red blood cells. Normal red blood cells are smooth and round ... Continue reading

The sickle-shaped red blood cells tend to get stuck in narrow blood vessels, blocking the flow of blood.

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.

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.

The Placebo Effect

To test new drugs, researchers usually divide their subjects into two groups. One group receives the experimental drug. The other receives a placebo or 'sugar pill' that should have no effect on the ... Continue reading

Which of these pills is the real thing?

More Medicine Facts

Disease:

  1. Facts About Angina
  2. Mad Cow Disease
  3. Mother Nature's Own Brand of Bioterror
  4. The Neurological Complications Of Lyme Disease
  5. What is Herd Immunity?
  6. What Is Sickle Cell Anemia?
  7. Who was Typhoid Mary?

Germs, Viruses, Microbes:

  1. Civets Lesson
  2. Fighting Viruses
  3. Legionnaires' Disease
  4. Malaria and Sickle Cell Anemia
  5. Protozoa That Cause Disease
  6. Re-emerging Microbes
  7. Resistance is NOT Futile!
  8. Rocky Mountain Spotted Fever
  9. SARS: Mother Nature Strikes Again!
  10. Smallpox, Chickenpox . . . Monkeypox?
  11. The Plague
  12. What Is Botulism?

Health:

  1. A Little OCD In Me And Thee?
  2. Eating Disorders
  3. Encephalitis and Meningitis
  4. How Much Coffee Will Kill You?
  5. Is Heartburn a Heart Burn?
  6. It's Hay Fever Season!
  7. The Incredible Capacity Of The Immune System
  8. The Placebo Effect
  9. There's No Such Thing as a Safe Suntan
  10. What is Asthma?
  11. What Is Autism?
  12. What is Headache?
  13. What Is High Blood Pressure?
  14. What Is Narcolepsy?
  15. What's So Bad About Cholesterol?
  16. Why Is Blood Pressure Two Numbers?
  17. Your Friend, the Fat Cell

Human Body:

  1. Acupuncture
  2. Hypotension
  3. My Aching Back
  4. What Is a Bruise?
  5. What Is A Cerebral Aneurysm?
  6. What Is a Spinal Cord Injury?
  7. When and Why is Blood Typing Done?
  8. When Motherhood Means More than One

Technology:

  1. Ultrasound In Medicine

Vaccines:

  1. How a Horse Can Save Your Life?
  2. Why Do We Call It A 'Vaccination?'

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