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» Browse Health and Nutrition Term Papers
Osteoporosis And Effects Of Gavity And Space
Number of Words: 1393 / Number of Pages: 6
... which is vital for human metabolism, houses the bone marrow within its mid cavity and to top it all it is capable of changing its architecture and mass in response to outside and inner stress. It is this dynamic remodeling of bone which is of primary interest in microgravity. To feel the impact of this dynamicity it should be noted that a bone remodeling unit [a coupled phenomena of bone reabsorption and bone formation] is initiated and another finished about every ten seconds in a healthy adult. This dynamic system responds to mechanical stress or lack of it by increasing the bone mass/density o ...
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Antibiotics
Number of Words: 1647 / Number of Pages: 6
... bactericidal (bacteria killed). To perform either of these functions,
antibiotics must be brought into contact with the bacteria.
It is believed that antibiotics interfere with the surface of bacteria
cells, causing a change in their ability to reproduce. Testing the action
of an antibiotic in the laboratory shows how much exposure to the drug is
necessary to halt reproduction or to kill the bacteria. Although a large
amount of an antibiotic taken at one time might kill the bacteria causing
an illness, such a dose usually would make the person suffer from illness
caused by the drug. The ...
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Which Is The Best Contraceptive: Condoms Or The Pill?
Number of Words: 760 / Number of Pages: 3
... progestogen. "This form of birth control suppresses ovulation…by the combined actions of the hormones estrogen and progestogen" (A Guide to Contraceptive Choices). The pill is 97-99.9% effective, however, the pills effectiveness can be reduced if the woman is taking some medications, such as certain antibiotics. It can also "fail if a pill is missed, a pill is taken 12 hours late, or if vomiting occurs within 3 hours of taking the pill…" (The Pill). In my personal opinion, that is just to many chances to be taking for the pill to fail.
As far as ability to protect from STDs, condoms win hands down. ...
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Angina Pectoris
Number of Words: 5928 / Number of Pages: 22
... abuse,
homicides, AIDS and so on. What a lot of people are not realizing is that
coronary heart disease actually accounts for about 80% of all sudden deaths.
In fact, the number of deaths from heart disease approximately equals to
the number of deaths from cancer, accidents, chronic lung disease,
pneumonia and influenza, and others, COMBINED.
One of the symptoms of coronary heart disease is angina pectoris.
Unfortunately, a lot of people do not take it seriously, and thus not
realizing that it may lead to other complications, and even death.
THE HUMAN HEART
In order to understand an ...
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Biological Warfare And Terrorism
Number of Words: 3821 / Number of Pages: 14
... a nerve agent developed by Nazi Germany during the '30's. This was the beginning of a frightening future for the modern world. "Organized and indiscriminat e murder" (Tokyo, A1) on a large scale is clearly possible and chemical weapons are likely to be a terrorist's vehicle for mass destruction.
The threat of terrorist use of chemical weapons is now quickly forcing its way into the thoughts of people all around the world. The attack in Japan, "says Israeli terrorism expert Yonah Alexander, 'has global implications. It's a quantum leap to terro rism by mass destruction" (Strasser, 36). There is su ...
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Bulimia
Number of Words: 158 / Number of Pages: 1
... is observed in older women and men also. People with are often obsessed with food and self gratification, and the disorder frequently accompanies Anorexia Nervosa.
Such behavior stems from psychological difficulties involving a compulsive desire for perfection, poor self-image, and stressful familt relationships; depression is also common. Research in the late 1980's says that itselg, however, may be caused by impaired secretion of a hormone, chlecystokinin (CCK), that normally induces a feeling of fullness after a meal.
Severe medical problems can result from nervosa, such as nutritional defic ...
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"Braces Suck!"
Number of Words: 462 / Number of Pages: 2
... sandwich stuck
between the molars. Braces become a constant source of embarrassment.
Braces are three to four years of physical torture beginning with the
very first office visit. The applying of the brackets itself is long, tiresome,
and uncomfortable. First, cold, flavored clay is shoved into the inside of the
mouth, forming a mold as it dries. Jagged metal squares (brackets) are glued to
the tooth, forcing hot, burning, glue to drip down the gums. Braces also cause
everyday aches and pains in the mouth. Metal wires, guiding teeth to a new shape,
stab the inside of the mouth causing cuts a ...
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Anorexia Nervosa
Number of Words: 1119 / Number of Pages: 5
... weight loss. The individual may not
acknowledge that weight loss or restricted eating is a problem
(www.anorexia.com, Internet).
The American Anorexia Nervosa Association defines anorexia as a
"serious illness of deliberate self-starvation with profound psychiatric
and physical components."
Now that we know what anorexia means, lets narrate how this disease
came to be noticeable. We have the knowledge that anorexia nervosa is
affecting a greater number of individuals. Although it was discovered not
so long ago, anorexia nervosa has been around for quite a while.
According ...
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PMS And Its Symptoms
Number of Words: 403 / Number of Pages: 2
... or panic •confusion •difficulty concentrating •forgetfulness •poor judgment •depression •irritability, hostility, or aggressive behavior •increased guilt feelings •fatigue or lethargy •decreased self image •libido (sex drive) changes •paranoia or increased fears •slow, sluggish, lethargic movement •low self-esteem •loss of libido (sex drive) •overreaction to sensory stimulus (lights, noises, etc.) •paranoid (unfounded feeling of persecution)
Some of the lifestyle changes often recommended for the treatment of PMS may actually be useful in preventing symptoms from developing or g ...
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Sleep Apnea
Number of Words: 1272 / Number of Pages: 5
... through the axis of the brain at one level, which would
prevented the animal from awakening; showing that brain structures below the
level of the cut were responsible for awakening the lab animal.
The American Sleep Disorders Association (ASDA), Association for the
Psychophysiological Study of Sleep (APSS), Association of Sleep Disorder Centers
(ASDC), and the American Psychiatric Association (APA) has studied sleep and
sleep disorders since the early 1970's. Out of all the sleep disorders
currently being studied, sleep apnea has gain world wide attention, affecting
over 15 million people. Apne ...
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