What to expect after a hemorrhoidectomy
By: Sam E. Jones
Anybody who has ever had to deal with hemorrhoids knows that it’s no picnic. The discomfort, itching and sometimes pain involved, all in a very private and embarrassing place is certainly nothing to be taken lightly. Sometimes hemorrhoids get worse and people find themselves...
Difference between cartilage and bone
By: D. Vogt
Cartilage and bone are both stiff connective tissues which form an essential structural component of the body of animal organisms, including human beings. However, they are also quite different in both composition and function. Bones are extremely hard, dense tissue which provide a supportive frame...
How do flu viruses combine to form a new virus?
By: D. Vogt
All viruses mutate, or combine their genetic material in new forms. In the process, they can create what to the human immune system are essentially new viruses, or more accurately new strains of existing viruses, to which the body's immune system has not prepared a...
The Interphone study on cell phone radiation and brain cancer
By: D. Vogt
A connection between cell phone radiation and brain cancer has been alleged nearly for as long as there have been cell phones. However, scientific research on the subject has, for the most part, been small-scale and with disappointingly mixed results. Since 2000, considerable hope was...
By: D. Vogt
As we know from the news and, all too often, from our own personal experiences in the fall and winter flu season, the effect of flu viruses that mutate is that they are able to overcome the body's existing immune defences. This is both the...
By: D. Vogt
Influenza is one of the most pesky and occasionally frightening of common human viruses: it is more harmful than the common cold, yet mutates and combines to form new viruses very quickly, so that one cannot simply escape it through a long-term vaccine like those...
Common antibiotics used in surgical patients
By: Nicole Evans M.D.
There are numerous antibiotics available for use in the surgical patient. However, certain antibiotics are used before, during and/or after surgical procedures for very specific reasons. It is essential that physicians and nurses are familiar with these medications and fully understand the indications that...
Route and innervation of the nerves of the upper limb
By: Amelia Walker
The upper limb is probably the part of the body that is most involved with the external environment. The one thing that differentiates us from most animals is the opposable thumb, which has evolved over many years to be a handy tool in the...
Overview of the human kidney
By: Tarek Musslimani
The kidney is the site where urine is formed. For this reason it is an indispensable organ for maintaining homeostasis of the body function. In addition to urine formation it is also important for other functions of the body such as regulation of electrolytes and...
Overview of the human liver
By: Tarek Musslimani
The liver is a very important organ in the human body due to its pivotal role in monitoring homeostasis and keeping constant environment in the body. This importance is manifested by the many functions that it has in the body such as proteins synthesis in...

 

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