Archive for the ‘Health & Fitness’ category
What is Cataract
Cataracts typically progress slowly to cause vision loss and are potentially blinding if untreated. The condition usually affects both the eyes, but almost always one eye is affected earlier than the other.
What is Diabetes
Diabetes is a disorder of metabolism–the way our bodies use digested food for growth and energy. Most of the food we eat is broken down into glucose, the form of sugar in the blood. Glucose is the main source of fuel for the body.
Eczema and Treatments
The meaning of the word “eczema” can cause confusion. Many people use this word to refer to a common skin condition called atopic dermatitis. When this is the meaning, the words “eczema/atopic dermatitis” may be used. The word “eczema” also has a more general meaning. Eczema can mean a family of skin conditions that causes [...]
Yaws, the disease & its treatment
The Disease Yaws is a contagious, nonvenereal, treponemal infection in humans that presents mainly in children younger than 15 years. Infection with Treponema pertenue, a subspecies of Treponema pallidum (the causative agent of syphilis), causes the disease. It occurs primarily in warm, humid, tropical areas among poor rural populations where conditions of overcrowding, poor sanitation [...]
Anthrax
The threat of anthrax as a biological weapon has become a real concern for everyone. Anthrax is a disease caused not by a virus, but rather by bacteria. There aren’t any known cases of anthrax passing from one person to another, so it is considered to be noncontagious. It is still a large threat, however, because if it isn’t recognized and treated quickly enough it can be deadly.
Acquired immune deficiency syndrome (AIDS)/HIV
AIDS (Acquired Immuno Deficiency Syndrome) is one of the worst pandemics the world has ever known. HIV (Human Immunodeficiency Virus), the virus that causes AIDS, was first discovered in 1981 in a remote area of central Africa.
BLOOD GROUPS / TYPES
A blood group or blood type is based on the presence or absence of two proteins (A, B) on the surface of red blood cells. Because two proteins are involved, there are four possible combinations or blood types (ABO groups): Type A – Only the A protein is present. Type B – Only the B [...]
What causes the noise when you crack a joint?
Escaping gases, movement and rough surfaces. Your joints can make a variety of sounds: popping, cracking, grinding, and snapping. The joints that “crack” are the knuckles, knees, ankles, back, and neck. There are different reasons why these joints “sound off”. Escaping gases: Scientists explain that synovial fluid present in your joints acts as a lubricant. [...]
Artificial Heart
Your heart is the engine inside your body that keeps everything running. Basically, the heart is a muscular pump that maintains oxygen and blood circulation through your lungs and body. In a day, your heart pumps about 2,000 gallons of blood. Like any engine, if the heart is not well taken care of it can [...]
HEAT STROKE
With summer temperatures reaching 100 degrees Fahrenheit (38 degrees Celsius) in many cities, heat stroke is becoming a big problem. Heat stroke can be fatal in many cases because it happens so quickly — there is not much time to react. Let’s say that it really is 100 degrees F outside. The human body wants [...]
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