Diarrhea is one of the most embarrassing stomach ailments that afflict many people on regular basis. It’s actually a condition of having several liquid bowel movements in a single day. When you have diarrhea, you’ll always be visiting the rest room several times in a day. Each time you visit, you’ll only end up defecating liquid particles. Well, the good news is that Diarrhea Treatment is possible. Just read on to find out.

Before you talk about the treatment, it’s good you know more about the Read the rest of this entry »

IMMUNE-FIGHTING EQUATION
A pathogen invades. An infection occurs. How likely is your immune system to overcome it?

The answer depends on three factors: strength of the microbe, the amount of the microbial invaders, and your body’s infection-fighting capacity. These three factors can be expressed in the following equation.

- Pathogenic strength of microbe times number of pathogenic microbes, divided by infection-fighting ability Read the rest of this entry »

PUMPING BLOOD
The percent of blood volume in the ventricle when it is full that is pumped out during contraction is called the ejection fraction. A normal ejection fraction is at least 50 percent, meaning that at least half the blood in the ventricles is pumped out with each beat.

In a healthy person, the ejection fraction increases by 5 to 20 percent with exercise. The actual amount of blood pumped by the left ventricle during one contraction is called the stroke Read the rest of this entry »

CHEST X-RAY
X-rays penetrate the chest and produce black-and-white images on specially treated film. X-rays pass through healthy lung tissue with little or no change, making them appear dark on film. But unhealthy lung tissue is readily visible as a lighter area against the dark background of an x-ray picture.

A chest x-ray is most useful when compared against similar pictures that were taken at an earlier time. Such a comparison is ideal for detecting changes in lung tissue Read the rest of this entry »

THE SOFT TISSUES

The nonbony tissues of the musculoskeletal system include muscles, tendons, bursae, ligaments, and joint cartilage. Each of these tissues serves a specific function.

• Muscle. These tissues contain specialized cells (called actin and myosin filaments) with the unique ability to shorten and lengthen. The filaments group together into larger and larger bundles that, under the control of the nervous Read the rest of this entry »

FOREIGN OBJECTS IN THE EAR CANAL
Symptoms: (What you may experience) Fullness; muffled hearing; pain (sometimes); or noise in the ear canal (occasionally).

Signs: (What the doctor looks for) Object visible in canal on examination with an otoscope.

What is it: In adults, foreign objects in the canal are usually the result of an accidental insertion, often in conjunction Read the rest of this entry »

How the Eye Works
With these basic structural relationships in mind, we can understand how the eye works and how we see. These are the basic steps in the process:

• Light rays reflect off an object and enter the eye through the cornea.
• The cornea bends or refracts the rays to pass through Read the rest of this entry »