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Archive for April, 2008

Affordable home medical equipment

April 29th, 2008 by admin

Besides computers of impressive power and small but cool electronic gadgets, technology has provided us with great tools to improve our quality of life and enhance our chances for a longer and better life. Once restricted to hospitals and other care centres because of their complexity and elevated cost, electronic devices for monitoring and diagnosing various medical parameters are now available in small, portable and affordable home versions. Healthscape.co.uk

The benefits of having our own monitoring devices such as blood pressure monitors or ECG machines at home are obvious for those suffering from high blood pressure or heart problems: one can easily monitor and keep detailed records at different moments of the day, including just before bed! How often would one do it otherwise?

Healthscape is an all-in-one solution to acquire our own, top quality personal medical equipment including devices like body fat monitors, ECG machines, blood pressure monitors, stethoscopes, digital thermometers, nebulisers and many more. In addition to quality and excellent prices,  Healthscape offers a great variety of free information and health resources making it a good resource to put in our browser’s bookmarks bar.

Category: Weightloss, Cardio, General health, Internet Resources, Obesity, Medicine, Homecare, Seniors, Diabetes, Wellness, Equipment | No Comments »

Uric acid and gout

April 27th, 2008 by admin

Gout, or crystal induced synovitis is a condition that results from deposition of urate crystals especially in the surface of some joints. The body responds by sending neutrophils (a kind of white blood cell) to get rid of the crystals by phagocytizing them, but this also results in a severe inflammation. This condition is usualy painful, and pain is caused by the inflammation and the crystal deposition itself, as the urate crystals are very sharp and rigid.

The big toe is commonly affected in gout and the problem begins when there is a sustained excess of uric acid in blood. If untreated, this hyperuricemia progresses into acute arthritis that ultimately becomes chronic arthritis. Gout is more prevalent among the obese people, and is also associated to a high protein diet and excessive fat and alcohol consumption.

Painful attacks of gout are treated in firstplace by trying to reduce the pain. Indomethacin, NSAIDS, oral glucocorticoids, are usually indicated, and in some cases glucocorticoids are administered by an injection in the joint. Ibuprofen is also used, and preferred over aspirin as this can worsen the problem. Cryotherapy is another safe option, by applying ice over the affected region for 20 to 30 minutes daily, This is effective and has no side effects. A useful option for the short term is a diuretic (specifically acetazolamide).

Category: General health, Medicine, Wellness | No Comments »

For runners: a healthy, homemade sports drink

April 22nd, 2008 by admin

Sports drinks have become very pospular as an easy source of nutrients and energy for people engaging in highly demanding physical activity such as running, biking or swimming. However, many are not comfortable with the available products and prefer other, more natural choices. Here is a recipe for an easy to make, healthy and delicious beverage, equally good for a quick energy source before starting or to replenish your body after a long training day.

Ingredients:

  • Water - 2 cups
  • Lemon tea bag (with or without caffeine) - 1
  • Honey or sugar cane syrup - 2 tsps
  • Salt - 1/8 tsp
  • Orange juice - 4 tsps

Preparation:

Boil 16 ounces of water and steep the lemon tea bag. Add then the honey (or sugar), salt and let cool down. Combine with orange juice and chill.

The nutrition facts: Each 8-ounce serving contains approximately 60 calories, less than 1 g of protein, 15 g of carbohydrates, 130 mg of sodium and less than 1 g of fat.

Category: Weightloss, Fitness, Obesity, Nutrition, Wellness, Sports | No Comments »

The evolutionary roots of the human ’sweet tooth’

April 14th, 2008 by admin

Humans love the taste of sugar so much that the word “sweet” refers not only to this basic taste quality but also something that is highly desirable or pleasurable. This attraction goes so far that sugar (and sugar-rich foods) overconsumption is probably the main factor driving the current obesity epidemic.

But why are we so fond of sugar, when other animals appear to be so ’self-restrained’ when it comes to diet and nutrition? The answer seems to lie on our evolutionary history. Refined sugars (e.g., sucrose, fructose) were absent in the diet of most people until very recently in human history. Biologists speculate that the human attraction for intense sweetness results from an inborn hypersensitivity to sweet tastants (molecules that taste sweet). In most mammals, including rats and humans, sweet receptors evolved in ancestral environments poor in sugars. Being able to detect carbohydrate-rich nutrients constituted an advantage that was selected favourably as it allowed to choose foods more effective in providing energy. However, natural foods are usually sugar-poor, so our ancestors were not not adapted to the high concentrations of sweet tastants present in our present-day products that contain refined sugar or corn syrup.

Overconsumption of sugar-dense foods or beverages is initially motivated by the pleasure of sweet taste and is often compared to drug addiction. French investigators attempted to explore this relationship by using rats that were offered either sweetened water or highly addictive doses of cocaine. The results were stunning: the vast majority of the rats (94%) preferred the sweet treat over the drug, demonstrating that intense sweetness can surpass cocaine reward, even in drug-sensitized and -addicted individuals.

A plausible explanation for the addictive power of sugar is that the supranormal stimulation of the sweet receptors by sugar-rich diets, such as those now widely available in modern societies, would generate a supranormal reward signal in the brain, with the potential to override self-control mechanisms and thus to lead to addiction.

Category: Weightloss, General health, Obesity, Medicine, Addictions, Diabetes, Biology | No Comments »

Good drinks and bad drinks: a ranking of healthy beverages

April 10th, 2008 by admin

Thanks to her teacher’s efforts, my daughter is very interested in learning what foods or beverages are healthy for her and which ones are not. She usually asks whether this snack or that drink are good or bad. Even though I’m usually pretty sure I’m telling the right answer, it’s only common sense, but a little of actual knowledge would be fine to support my advice.

The National Institute of Public Health of Mexico has recently put together “Beverage Consumption  Recommendations” aimed to serve as a guideline for consumers, health professionals, and government officials. One of the main reasons that encouraged this work is the alarming increase in overweight, obesity and diabetes in Mexico. It is thought that beverages contribute a fifth of all calories consumed by Mexicans, and many studies found that caloric beverages increase the risk of obesity. After considering all these evidences, it is clear that educating people and professionals on the benefits and risks associated to the most common drinks is of prime importance to improve the public health conditions.

The committee classified beverages into six levels regarding their health benefits and risks. Some aspects taken into account were caloric content, nutritional value, and health risks associated with the consumption of each type of beverage. The beverages were ranked from the healthier (level 1) to least healthy (level 6):

Level 1: water

Level 2: skim or low fat (1%) milk and sugar free soy beverages

Level 3: coffee and tea without sugar

Level 4: non-caloric beverages with artificial sweeteners

Level 5: beverages with high caloric content and limited health benefits (fruit juices, whole milk, and fruit smoothies with sugar or honey; alcoholic and sports drinks)

Level 6: beverages high in sugar and with low nutritional value (soft drinks and other beverages with significant amounts of added sugar like juices, flavored waters, coffee and tea).

As a conclusion, the panel advices that water should constitute the first choice, followed by no or low-calorie drinks, and skim milk. People should prefer these beverages over others with high caloric value or sweetened beverages, including those containing artificial sweeteners.

Some parts of this ranking agree more or less with our perception, water is obviously a ‘healthy’ option, but it may surprise many people to find out that some beverages, heavily advertised as healthy stuff go quite low in the list, such as fruit juices and fruit smoothies. Time to reconsider what we take in our lunch-bags!

Category: Weightloss, General health, Obesity, Nutrition, Children, Education, Diabetes, Wellness | No Comments »

Behavioral management of obesity: is it effective?

April 7th, 2008 by admin

The goal of a behavioral management of obesity is to train an individual with the skills that will allow him/her to promote a healthy weight level. The concept involves a number of strategies which are conducted in a way to help obese patients in making gradual but steady changes that can be incorporated into their everyday habits in a realistic way.

The effectivity of behavioral programs in curing obesity is promising. Results from several studies demonstrate an 8% to 10% reduction in initial weight during the first 6 months to 1 year of treatment. The long-term effectivity of these treatments are more difficult to assess and still remains unclear. It appears that many individuals tend to regain weight lost over time but the causes are still obscure and it is unknown whether they are related to the method.

In spite of the uncertainty, an effective behavioral approach will constitute a very god option as it lacks many of the drawbacks from other weightloss methods. Efforts such as the Diabetes Prevention Program and the Look AHEAD (Action for Health in Diabetes) trials are starting to provide strong data on the long-term results of intensive behavioral management interventions.

Category: Weightloss, General health, Obesity, Medicine, Nutrition, Cholesterol | No Comments »

Internet addiction: a psychiatric disorder?

April 4th, 2008 by admin

The March issue of the American Journal of Psychiatry published a note by Dr. Jerald Block in which he argues that Internet addiction should be included in the next update of the DSM handbook, the Bible of mental health conditions.

Dr Block says that the diagnosis of Internet addiction is a type of compulsive-impulsive disorder that involves online and/or offline computer usage. He recognizes three subtypes, characterised by a) excessive gaming, b) sexual preoccupations, and c) e-mail/text messaging.

In turn, these variants have the following four components:

1) excessive use (through loss of sense of time)

2) withdrawal (characterised by feelings of anger and/or depression when the computer is not available)

3) tolerance (need for better computer equipment, more software, or more hours of use)

4) negative repercussions in social life (arguments, lying, poor achievement, social isolation, and fatigue)

Some countries are already deeply concerned about this problem, such as Korea and China, where studies have shown that large numbers of adolescents are in need of psychiatric counseling or even medication and hospitalization due to Internet and gaming addiction. Data from USA is lacking because the vast majority of Internet users access the network from home (in Asia, use of Internet cafés is more widespread) and so it is difficult to assess, but the situation seems not much different.

Inclusion into DSM-V is a critical goal for many professionals who investigate new or poorly described mental conditions. Being listed in DSM is a sort of ‘official recognition’ as a disease and thus it is more likely to get grants or other forms of financial help to carry out studies and trials, which will lead to improving the chances for treatment.

Category: General health, Addictions, Children | No Comments »

Tobacco dependence: bad habit or chronic disease?

April 2nd, 2008 by admin

Smoking is the most importan cause of preventable death in the developed world. In spite of this, tocacco dependence is still viewed by many just as a bad habit. Because of the strong bonds created by the dependence, most smokers wanting to quit find it difficult and many fail if not following a strict treatment.

In a recent article in the specialized journal “Annals of Internal Medicine”, Dr Steinberg and collaborators from the University of Medicine and Dentistry of New Jersey discussed the importance of regarding tobacco dependence as a medical condition that requires a specific medical treatment, rather than a bad habit or a lifestyle choice. They compare smoking to diabetes. Diabetes, they say, is similar to tobacco dependence in “their potential to exacerbate other diseases, their behavioral components of treatment, and their effectiveness of medications”. In spite of this, treatments for diabetes are amply covered by health insurance plans, whereas coverage for tobacco cessation products and treatments are usually very limited.

In the article, the authors review some of the available treatments that usually have satisfactory results. Among the safest options is behavioral counseling, but there are also pharmacotherapies that are safe and effective. “Nicotine replacement therapy effectively delivers nicotine in safer doses without exposure to the toxins and chemicals in cigarette smoke”. As everybody is different, optimal duration of tobacco dependence treatment cannot be established, and some smokers may require more extended courses or treatment than others.

They conclude that limited coverage constitutes a severe downside for this important problem. For those smokers for whom normal methods don’t work, health care providers should encourage using long-term cessation treatments and insurance carriers should cover them. To achieve this, “tobacco dependence should share the status of other chronic illnesses, with effective treatments given as long as is necessary to achieve successful clinical outcomes”.

Category: General health, Medicine, Addictions, Smoking, Diabetes | No Comments »

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