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Optimistic Attitude Boosts Immune System

March 28, 2010 By: medicmagic Category: Wellness

optimism

The task of the immune system is to prevent the entry of disease carrying microorganisms into the body andto kill it if they enter the body. A study shows, an optimistic attitude will enhance the ability of our immune system.

Although the results of study – which was conducted by a number of experts from the University of Kentucky, United States – does not show directly how a positive outlook makes us healthier, but it reinforces previous studies that found a link between illness and a person’s attitude.

Previously, scientists have learned that each person’s immune system can be affected by his attitude. And, when someone is influenced by a sense of optimism, the body’s immune system will be stronger.

From 2001 to 2005, Professor Suzanne C Segerstrom, a psychologist from the University of Kentucky, along with his team conducted a survey to 124 students majoring in law at the first level. The respondents were asked to answer questions about their optimism level to  succeed in the majors.

The respondents were also given an injection of an antigen that would make the immune system to react in the form of small bumps on the skin. The bigger the bump, the stronger the immune system reacts. The researchers found that the immune system response is stronger in students who have strong optimism. On the contrary, weakened immune system to those who tend to have a pessimistic nature.

“When people feel more optimistic, they also feel more happy and the factors associate with increased immunity,” Segerstrom said.

However, Segerstrom reminded that the effects of optimism on the immune system may be limited, since there are many factors that cause fluctuate the human immune system.

Important Role of Vitamin D

March 17, 2010 By: medicmagic Category: Supplements and Vitamins

Vitamin D or vitamin that can be obtained from food or produced by human skin who is exposed by sunlight, play an important role in improving the body’s immune system.

The presence of vitamin D is very crucial for the body. Therefore, the weapon T cells of the body, the cells that attack and destroy bacteria and viruses that lodged in the body. Scientists at the University of Copenhagen have found that vitamin D was very important to activate the human immune system. Without vitamin D intake is sufficient, killer cells of the immune system (T cells) will not be able to react and fight serious infections in the body.

Well, that T cells can detect and kill foreign pathogens such as bacteria and viruses, the cells must be triggered first and then transformed from inactive cells and become dangerous killer cells are ready to find and destroy all the attackers.

The researchers found that T cells depend on vitamin D in the activation process. Thus, the body will be vulnerable if the deficiency of vitamin D in the blood. Researchers from the Department of International Health, Immunology and Microbiology, Professor Carsten Geisler said, when dealing with T cells of foreign pathogens, these cells will be held device or antenna signal, known as the vitamin D receptor, which will search for vitamin D.

“This indicates the T cells must have a vitamin D or the activation of the cells will stop. If the T cells are unable to find enough vitamin D in the blood, they will not even begin to mobilize, “said Professor Carsten, as quoted reuters.com.

The results of these discoveries made scientists believe that providing much needed information on the immune system will help regulate the immune response.

This is important because not only to fight the disease, but also in relation to the body’s immune and organ transplant rejection. After an organ transplant, T cells can attack the donor organ as “foreign attackers”. In autoimmune diseases such as arthritis or Crohn’s disease, the fragments of T-cells (cells to attack foreign body) leads to the body to attack itself.

For the research team, identified the role of vitamin D in the activation of T cells has become a major breakthrough. Scientists have long known that vitamin D is important for the absorption of calcium and vitamin has also been involved in diseases such as cancer and multiple sclerosis. But what was revealed is how the true role of vitamin D is essential to activate the human immune system.

Carsten further said, the findings could help overcome the illness and even disease outbreak. The study will also be very useful in developing a new vaccine, which works exactly as the basic formation of the human immune system. And responding well suppress the body’s natural defenses in critical situations (as in the case of organ transplants and autoimmune diseases). Benefits of vitamin D is also recognized by other researchers Chris Griffiths from Queen Mary. Chris said, vitamin D helps increase the body’s immune system’s ability to fight infection.

“We found that a single dose of vitamin D that is large enough to improve one’s immunity against the bacteria.”

Until now there has been no significant research on the optimal intake of vitamin D needed by the body in one day. However, experts recommend for men and healthy women aged 14-50 years, it is recommended to take vitamin D as much as 5 micrograms or 200 international units (IU) per day. Once the age of 51, the recommended intake increased to 10 micrograms or 400 IU per day. Furthermore, at the age of 71 increased to 15 micrograms (600 IU).

The problem, perhaps there is still much to trivialize the role of vitamin D is. Sometimes people only consider the intake of fat, protein, and carbohydrates, but not much notice the little things like vitamins, particularly vitamin D. Macro nutrients are needed, but micro-nutrients are also very important in preventing disease, maintaining the immune system, ensure the body’s energy levels, and various roles of vitamins and other antioxidants.

Vitamin D include vitamin fat-soluble, and are required to maintain the body’s general health. But because these vitamins are fat soluble and stored in fat cells of the body, this vitamin can be toxic if consumed in excess amount. Vitamin D can be found in some foods, including milk, cod liver oil, salmon and mackerel, tuna and sardines, cereals fortified with vitamin D, eggs, and margarine.

Another way the easiest to get this vitamin is silent for a moment in the sun in the morning. Besides drinking milk, this is one of the easiest ways to ensure that you get vitamin D intake is sufficient.

Not necessarily every day if you’re busy. But every person is recommended to get exposure to sunlight for 15 minutes, 2-3 times per week. Make sure as many parts of the body exposed to sunlight. This is to enhance the absorption of vitamin D by the skin.

How Does Sunlight Affect Breast Cancer?

February 12, 2009 By: medicmagic Category: Cancer

If one is to believe Esther John, an epidemiologist of Northern California Cancer Center, a daily dose of sunlight can decrease the chances of breast cancer by an amazing 40%. A short walk in the sun can also relieve stress and increase blood circulation in addition to reducing the risk of breast cancer. It is a well known and researched fact that the instance of breast cancer is more in cloudy and colder regions. An exposure to the full spectrum light is inversely correlated to colon, rectal and breast cancers. (more…)