An overview of how humans hear
By: Lime Red Tetrahedron
Human hearing is the process by which vibrations in air are transduced (converted) into nerve impulses in the auditory nerve. This great biological feat is accomplished through the interaction of various subsystems in the ear. In this article, we will explore the process of hearing...
Amazing medical breakthroughs: Cures for millions with blindness
By: Terrence Aym
Two incredible new medical breakthroughs offer pathways to sight for millions of blind people around the globe. The artificial cornea project Joachim Storsberg of the Fraunhofer Institute for Applied Polymer Research IAP in Germany is one of the researchers who has helped create new technology...
Alternatives to lumbar disc surgery
By: Trenna Sue Hiler
Back pain is a serious issue. In fact, the estimate is ninety percent of adults in America will develop lower back pain. Trying alternative methods to lumbar disc surgery seems like it may be something worth trying. (No information in this article is considered medical...
By: Art Young
“I once was lost, but now I’m found Was blind, but now I see.” ~John Newton~ The words from “Amazing Grace” have lifted the spirits of believers and non-believers alike since they were written in 1779. While the original message of...
By: Lee Stratton
The reason lumbar disk surgery is performed is to relieve pain. Back pain can disable a person to the point that they can't work or perform normal daily functions.. Disk replacement surgery or spinal fusing are not life saving procedures. They are performed to relieve...
What is Edwards syndrome?
By: Alicia M Prater PhD
Edward’s syndrome is the name given to trisomy 18, a genetic condition in which a third chromosome 18 is present in the person’s cells. The condition was independently described in 1960 by two research groups: Edwards et al. and Smith et al. It...
The human immune system
By: Dr. Bryan Katz
It is helpful to divide the immune system into three divisions: non-specific, innate, and adaptive. First, non-specific immune defenses include intact skin, body fluids with an acidic pH (esp. sweat, gastric juice, and urine), and complement proteins in the bloodstream. Many potentially infectious pathogens are...
Function of the spleen
By: Melody St. John
Almost all vertebrate animals have an internal body organ called the spleen. It is located in the left upper quadrant of the abdomen, and to the left of the stomach in humans. Anatomically, the spleen may vary in size and shape. But in healthy adult...
By: Victoria Tiegert
For people who deal with lumbar disc damage, life can become a rather unpleasant day-by-day existence. There may be a significant amount of pain in the lower back region which affects a person more than those who have never dealt with this can understand. Even...
Euthanasia
By: Miranda Pierson
Euthanasia is ethical. While the idea of putting a human or an animal to death may not sound entirely pleasant, it can be the better alternative to a life filled with pain and suffering. Euthanizing an individual for no apparent reason is definitely wrong. However...

 

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