Showing posts with label Addictions. Show all posts
Showing posts with label Addictions. Show all posts

Monday, December 24, 2007

ADDICTIONS



some may have gotten their muscles through a strict regimen of weight-lifting and diet, others may have gotten that way through the illegal use of steroids.Steroids are synthetic substances similar to the male sex hormone testosterone. They do have legitimate medical uses. Sometimes doctors prescribe anabolic steroids to help people with certain kinds of anemia and men who don't produce enough testosterone on their own. Doctors also prescribe a different kind of steroid, called corticosteroids, to reduce swelling. Corticosteroids are not anabolic steroids and do not have the same harmful effects.

But doctors never prescribe anabolic steroids to young, healthy people to help them build muscles. Without a prescription from a doctor, steroids are illegal.There are many different kinds of steroids. Here's a list of some of the most common anabolic steroids taken today: anadrol, oxandrin, dianabol, winstrol, deca-durabolin, and equipoise.

Anabolic-androgenic steroids are man-made substances related to male sex hormones. "Anabolic" refers to muscle-building, and "androgenic" refers to increased masculine characteristics. "Steroids" refers to the class of drugs. These drugs are available legally only by prescription, to treat conditions that occur when the body produces abnormally low amounts of testosterone, such as delayed puberty and some types of impotence. They are also prescribed to treat body wasting in patients with AIDS and other diseases that result in loss of lean muscle mass. Abuse of anabolic steroids, however, can lead to serious health problems, some irreversible.

Today, athletes and others abuse anabolic steroids to enhance performance and also to improve physical appearance. Anabolic steroids are taken orally or injected, typically in cycles of weeks or months (referred to as "cycling"), rather than continuously. Cycling involves taking multiple doses of steroids over a specific period of time, stopping for a period, and starting again. In addition, users often combine several different types of steroids to maximize their effectiveness while minimizing negative effects (referred to as "stacking").

Side effects

The major side effects from abusing anabolic steroids can include liver tumors and cancer, jaundice (yellowish pigmentation of skin, tissues, and body fluids), fluid retention, high blood pressure, increases in LDL (bad cholesterol), and decreases in HDL (good cholesterol). Other side effects include kidney tumors, severe acne, and trembling. In addition, there are some gender-specific side effects:

For men: shrinking of the testicles, reduced sperm count, infertility, baldness, development of breasts, increased risk for prostate cancer.

For women: growth of facial hair, male-pattern baldness, changes in or cessation of the menstrual cycle, enlargement of the clitoris, deepened voice.

For adolescents: growth halted prematurely through premature skeletal maturation and accelerated puberty changes. This means that adolescents risk remaining short for the remainder of their lives if they take anabolic steroids before the typical adolescent growth spurt.



DEFINING INTERNET ADDICTION DISORDER

To be diagnosed as having Internet Addiction Disorder, a person must meet certain criteria as prescribed by the American Psychiatric Association. Three or more of these criteria must be present at any time during a twelve month period:

1. Tolerance: This refers to the need for increasing amounts of time on the Internet to achieve satisfaction and/or significantly diminished effect with continued use of the same amount of time on the Internet.

2. Two or more withdrawal symptoms developing within days to one month after reduction of Internet use or cessation of Internet use (i.e., quitting cold turkey) , and these must cause distress or impair social, personal or occupational functioning. These include: psychomotor agitation, i.e. trembling, tremors; anxiety; obsessive thinking about what is happening on the Internet; fantasies or dreams about the Internet; voluntary or involuntary typing movements of the fingers.

3. Use of the Internet is engaged in to relieve or avoid withdrawal symptoms.

4. The Internet is often accessed more often, or for longer periods of time than was intended.

5. A significant amount of time is spent in activities related to Internet use (e.g., Internet books, trying out new World Wide Web browsers, researching Internet vendors, etc.).

6. Important social, occupational, or recreational activities are given up or reduced because of Internet use.

7. The individual risks the loss of a significant relationship, job, educational or career opportunity because of excessive use of the Internet. In recent research, other characteristics have been identified. The first is feelings of restlessness or irritability when attempting to cut down or stop Internet use. The second is that the Internet is used as a way of escaping problems or relieving feelings of helplessness, guilt, anxiety or depression. The third characteristic is that the user lies to family members or friends to conceal the extent of involvement with the Internet. .


ALCOHOL ADDICTION

Alcohol is rapidly absorbed into the bloodstream from the small intestine, and less rapidly from the stomach and colon. In proportion to its concentration in the bloodstream, alcohol decreases activity in parts of the brain and spinal cord. The drinker's blood alcohol concentration depends on:

1.the amount consumed in a given time
2.the drinker's size, sex, body build, and metabolism
3.the type and amount of food in the stomach.

Once the alcohol has passed into the blood, however, no food or beverage can retard or interfere with its effects. Fruit sugar, however, in some cases can shorten the duration of alcohol's effect by speeding up its elimination from the blood.

In the average adult, the rate of metabolism is about 8.5 g of alcohol per hour (i.e. about two-thirds of a regular beer or about 30 mL of spirits an hour). This rate can vary dramatically among individuals, however, depending on such diverse factors as usual amount of drinking, physique, sex, liver size, and genetic factors.

Effects :

After a few drinks : Feel more relaxed, reduced concentration and slower reflexes
A few more drinks : Fewer inhibitions, more confidence, reduced coordination, slurred speech, intense moods
Still more drinks : Confusion, blurred vision, poor muscle control
More still : Nausea, vomiting, sleep
Even more : Possibly coma or death

Tuesday, December 4, 2007

The Science of Drinking

What makes you feel drunk?

When a person drinks an alcoholic beverage, about 20% of the alcohol is absorbed in the stomach and about 80% is absorbed in the small intestine.

One of the most rapid affects of alcohol is on the central nervous system (CNS), which controls a range of vital body functions including speech, muscles, sense organs and sweat glands.

Usually the CNS receives information from organs such as the eyes and ears, analyses it and then responds, perhaps by contracting a muscle. However, alcohol impairs our CNS functioning which, in turn, causes the usual symptoms of being drunk. These include disturbed balance, slurred speech, blurred vision, excess sweating and the dulling of our sensation of pain.

Alcohol also affects the outer layer of the brain (the frontal cortex) that is concerned with conscious thought. This is why people under the influence of alcohol often lose their inhibitions and dance on the tables.

What makes you feel so lousy?

Dehydration: Alcohol is a diuretic. This means it encourages the body to lose more water than it takes on by halting the production of the body's anti-diuretic hormone. This means you feel the need to pee excessively, thus speeding up the loss of fluid from the body that leads to dehydration.

Alcohol also attacks our stores of vitamins and minerals, which need to be in the correct balance for the body to function normally. Dehydration caused by drinking can affect the balance by draining potassium from the body, resulting in thirst, muscle cramps, dizziness and faintness.

The shakes: When a person drinks, they take in large quantities of increased glucose. Their body responds to this by producing more insulin, which removes the glucose. Once the process has started, the insulin carries on working removing glucose from the blood. Low blood glucose levels are responsible for the shakes, excess sweating, dizziness, blurred vision and tiredness.

Munchies: To overcome this feeling of lethargy the body craves a carbohydrate boost, which is why many people want chips when they have been drinking.

Breaking it down

The liver is the main organ that gets rid of alcohol by breaking it down. It metabolises about 90% of the alcohol in our body while only about 10% is excreted through either our urine or breath. The liver metabolises alcohol at the rate of one to two units per hour, sometimes less than that in women.

The liver needs water to get rid of toxins from the body but, as alcohol acts as a diuretic, there will not be sufficient amounts in the body, so the liver is forced to divert water from other organs including the brain, which causes the throbbing headaches.

The liver also produces more toxins in the body as a by-product during the breakdown of alcohol. When the liver is metabolising alcohol it produces acetaldehyde, a substance which has toxic effects on our liver, brain and stomach lining, resulting in severe headache, nausea, vomiting and heartburn (aka hangover).

Sleep

Alcohol interferes with sleeping rhythms, while dehydration reduces the quality of rest we get. Alcohol also relaxes the muscles in the back of your mouth, increasing the likelihood of snoring.

The Morning after

If your alcohol consumption was fairly high the night before, then you will be greeted with more than a common hangover the next day. You could have one or all of these:

  • The toxicity of alcohol can irritate the stomach causing gastritis (chronic stomach upset) often leading to vomiting.
  • Alcohol can cause inflammation of the oesophagus, the tube that carries food from the throat to the stomach, causing heartburn.
  • Alcohol often affects your bowel movements. The small and large intestine reabsorb salt and water but alcohol interferes with this process often causing diarrhoea.

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