Influenza (flu) is an acute infectious disease caused by various strains of viruses. Outbreaks of the flu usually occur during the winter because the viruses are most easily spread in crowded, indoor places. The viruses are transmitted by direct contact or by breathing the airborne viruses. continue reading »
Nearly 200 viruses can cause a cold, and they can live for hours on objects, surfaces, and people. When you touch something contaminated with a cold virus, and then touch your eyes or nose, you transmit the virus to your body. There is no cure for the common cold. It usually goes away in 5 to 7 days.
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The arrival of winter heralds the season of colds, flu and many other respiratory illnesses. To help you better understand where problems may occur, here is a brief review of how the respiratory system works. Every time you breathe, air enters through your nose or mouth, continues down your windpipe (trachea) and into the lungs. The air travels through bronchial tubes (bronchi) in the lungs until it reaches tiny air sacs (alveoli) at the end of the passageways. In the air sacs, there is an exchange of oxygen and carbon dioxide. Oxygen is passed into the bloodstream, and carbon dioxide is passed back from the bloodstream into the air sacs to be exhaled out of the body. Without a constant supply of oxygen, the cells in the body cannot function. Two common types of respiratory infections are BRONCHITIS and PNEUMONIA. continue reading »
Allergic disorders affect more than 20 percent of all adults and children. Allergy is an abnormal reaction to an ordinary, harmless substance called an “ALLERGEN”. Allergens stimulate the body’s white blood cells to produce antibodies. The subsequent reaction between the allergens and antibodies causes the release of a chemical called “HISTAMINE” from cells. It is these histamines, which cause the symptoms of an allergy. The tendency to develop an allergy is inherited. Allergies can develop at any age but the symptoms generally diminish with age. Initial exposure to an allergen may not always cause a reaction. With repeated exposures, the allergic reaction can develop. There are two main types of allergies: food and environmental.
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A geomagnetic storm is a temporary disturbance of the Earth’s magnetosphere caused by a disturbance in space weather. Associated with solar coronal mass ejections (CME), coronal holes, or solar flares, a geomagnetic storm is caused by a solar wind shock wave which typically strikes the Earth’s magnetic field 24 to 36 hours after the event. This only happens if the shock wave travels in a direction toward Earth. The solar wind pressure on the magnetosphere will increase or decrease depending on the Sun’s activity. These solar wind pressure changes modify the electric currents in the ionosphere. Magnetic storms usually last 24 to 48 hours, but some may last for many days. In 1989, an electromagnetic storm disrupted power throughout most of Quebec—it caused auroras as far south as Texas. continue reading »
Credit card debt consolidation comes as a great relief to all those who are plagued by multiple credit card debts. If new to credit card debt consolidation, all it does is to club up all your debts from multiple credit cards into single more manageable and easy to repay debt, which helps the credit card holder tremendously. Credit card debt consolidation has many benefits but the four listed below are typically more popular. If you are waiting to get rid of your multiple credit card debt, credit card debt consolidation might be the panacea for you. Here are the four great reasons.
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If you have a knee pain when you running, you may have a look at this article:
There are numerous causes of knee pain, for a runner, it’s commonly caused by either a slightly misaligned hip bone that is throwing your gait off a bit resulting in extra stress on the knee or a weak hip/thigh muscle that is not properly stabilizing the hip during running that results in extra stress to the knee. In both cases, you may consult with a sports physician to locate what is causing the problem and the doc can refer you to a physical therapist so you can isolate and work on the offending area. continue reading »
Android is a mobile operating system running on the Linux kernel. It was initially developed by Google and later the Open Handset Alliance. It allows developers to write managed code in the Java language, controlling the device via Google-developed Java libraries.
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Will the evil Google, Inc. finally show some balls and stand up to the evil Apple, Inc. by enabling multitouch? Or will they continue to collude to disenfranchise the users? continue reading »
I was diagnosed with alopecia areata a few years ago while I was in college. my roommate discovered a bold spot of 3 inches in diameter, I freaked out and started to panic. It was at a time right before the final exams and I was in my third year of college continue reading »
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