Saturday, March 13, 2010

Food Allergies

Living with nutriment allergies isn't as hard as it acclimated to to be. With so many people all on the world showing signs of allergies today, varied food manufacturers father seen the benefit of oblation a variety of food substitutes to support make life (and eating) easier for those with delicate systems.

While living with subsistence allergies may be easier these days, it can stationary be quite dangerous, depending on the inexorableness of your symptoms. For some, coming in connection (any contact) with changeless food allergens (such as peanuts, or steady peanut oil), can make them same sick - or even polish off them! So, what are the most community food culprits?

The foods causing the most allergic reactions group:
-All varieties of nuts
-Seafood, such as shrimp
-Extract, particularly cow's milk
-Eggs
-Soy
-Wheat

So why can some people handling eating these substances, and others can't? Comestibles allergies are caused by an untouched system gone haywire. Normally, your insusceptible system protects you from all types of germs and diseases by making bacteria-fighting antibodies. People with rations allergies have an invulnerable system that treats non-specific food ingredients as a illness, making your corps react to it in a negative way. This is what can produce itchy eyes, and that runny nose in the start when the pollen is out, or a more cruel reaction to the foods you eat.

When you eat something that you are allergic to, the cells of your centre release chemicals (including histamine) into the bloodstream to waste it. This can cause your respiratory plan, skin and digestive zone to react, either mildly as in the at all events of a runny nose or get the better of stomach, or more onerously as can happen when your throat restricts and breathing becomes troubling or even impossible.

Other signs you may occurrence include:
-Tightness in the throat
-Hoarse voice
-Wheezing
-Tingling of your tongue or lips
-Cough
-Nausea
-Vomiting
-Stomach pain
-Diarrhea

In the most pressing cases, a food allergy can effect anaphylaxis (say: ah-nuh-fuh-lak-sis), or a sudden dwindling in blood pressure, restricted breathing tubes and a turgid tongue. Those at danger for this type of life-threatening reaction need to efficacious special precautions when eating and in perpetuity be prepared for an emergency.

Children day in and day out outgrow allergies to bleed and eggs as they originate older, but more tough reactions to foods like peanuts, non-specified kinds of fish, and shrimp oftentimes last a lifetime. Unfortunately for the millions of people who suffer form prog allergies, there is no medication to upon it, making prevention a key. Avoiding foods that have the capacity for the ingredients that you are allergic to is basic to avoiding an unwelcome and perhaps dangerous reaction.

One way to catch on to out if a food is potentially iffy for you to eat is to check their labels carefully. The most reciprocal food allergens are in perpetuity listed (sometimes in valiant) on the ingredient list.

No quandary how hard you try, you may find that you've accidentally eaten the reverse thing. Remain composure and follow your difficulty plan - which you should make with your doctor beforehand This is firstly important if you have a foodstuffs allergy that can give rise to anaphylaxis) For serious reactions, people may basic to carry a shot of epinephrine with them at all times, many times referred to as an Epi-Pen. Of course align equalize after administering this self-treatment, you forced to always go to the hospital to maintain your reaction beneath control.

Having a nutriment allergy can be a real arse, but it is something that you can supervise by following a few simple tips:
-Read all food labels carefully
-Avoid eating any foods with unknown ingredients
-Carry an Epi-Pen or antihistamine with you at all times
-Seek medical help immediately if you notice any reactions to the foods you've eaten


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Allergy Problem

If you deceive allergies, you should be precise and prepared even in the past spring and summer just the same from time to time starts. This is the pep up of sneezing and runny nose because pollen is now airborne. You should pull the wool over someone's eyes allergy forecast medication such as antihistamine to improve you relieve allergy anticipate symptoms. There are lots of other things you can do inside your residence which will turn over a complete you avoid any allergies the air may carry out. Staying indoors can be a altogether helpful to you. Although this is the salt for fun and adventure, you cannot gamble your health since allergy can also behoove a serious problem when not charmed seriously. You need to presume from on so you will be equipped with the prerogative information you need for your occasion:

1. Aside from pollen, dusts and dust mites are also culprits. They customarily attack when you inhaled them on your linens and pillows. Your pets can also have on the agenda c trick them so you should mind when playing and hugging your pets. You shouldn’t let your pets go to your bed to escape allergy forecast bout.

2. You should every time make sure all clutters are cleaned and hearty maintained. Keeping your familiar with clean will relief you minimize allergy attacks.

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The allergic effect

If you are allergic to soy then you suffer from Allergies Personification 1, also called Contact Allergies. Scientists attired in b be committed to found at least 16 original allergenic proteins in Soy and they are not indubitable which of the protein is more harmful than the others for anyone who has a soy allergy. Stuart Berger, MD, in the 1980s labeled soy as one of the seven top allergens known and yet soy remains as one of American's favorite vigour food.

The proteins create in soy trigger the immune procedure to reaction. Antibodies and histamines are releases into the blood runnel in an attempt to neutralize the soy protein. These chemicals trigger the allergic symptoms. In put an end to cases Epinephrine, also convene Adrenaline, is administered to domination the anaphylaxis reaction.

Scientists do not absolutely understand why the immune structure of people allergic to soy considers some prog proteins as harmful by the main part. The immune system can mount a discrepancy of defenses mechanisms against proteins that is considers as deleterious or foreign. Symptoms can be sheerest mild to life-ominous depending on the severity of your soy allergies. They all things considered occur within a few minutes to a few hours after eating or inhaling soy. Soy belongs to the botanical relations legume. Anyone who is allergic to one of the proteins in the legume parentage is at a greater risk of developing and allergic feedback to other members of the very family. This allergic compensation is called cross reactivity. The legume forebears consists of Soybeans, Peanuts, unripened peas, chick peas, lima beans, and lentils.

Studies from all for the world have also linked the strong of developing an allergy to soy if a antiquity of allergy to milk has been demonstrated. A examination done in Victoria, Australia has instruct that 47 percent of the children that are allergic to out also have an allergy to soy.

The allergic effect of soy is affected by the way the soybean is grown, harvested, processed, stored and all set. Raw soybeans and soy sprouts are the most allergenic. Soybeans that sooner a be wearing been subjected to serious temperatures loose some of their threat but not all.

Soy is rest in thousands of processed foods that we use every day. Soy can be start in bagels, doughnuts, rolls, pizza, hamburger, margarine, cheese, tofu, soy audacity, and teriyaki sauce. If you play a joke on even a mild answer to soy you need to notify you doctor directly. Food allergies can piece by piece get worst over set until a sudden birth of a life threaten response occurs. The more times you are exposed to the offending allergen the worst the peculiar to can become.

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Wednesday, November 18, 2009

Cerebrum

The cerebrum is the largest part of the brain and is responsible for all voluntary activities of the body. It is the substances can move readily between the inside and the outside of the vessel. In the brain, however, the endothelial cells fit tightly together and substances cannot pass out of the bloodstream.

The functions of the BBB are to protect the brain from "foreign substances" in the blood that may injure the brain and to protect it from the hormones and neurotransmitters in the rest of the body. The BBB also maintains a constant environment for the brain.

Various conditions can cause a breakdown in the function of the BBB. These conditions are as follows:

• Hypertension (high blood pressure).
• Incomplete development of the BBB at birth.
• High concentrations of certain substances in the blood.
• Exposure to microwaves.
• Exposure to radiation.
• Infection.
• Trauma or injury to the brain.

The cerebrum is the functional area of language, personality, vision, memory, emotion, problem solving, initiative, inhibition, sense of smell, generalized and mass movements, motor skills, physical reaction, and libido (sexual urges).

The cerebrum is divided into two hemispheres, the left hemisphere and the right hemisphere. The three main areas of the brain are the cerebrum, the cerebellum, and the brain stem. Each region performs specific functions. The cerebrum, which includes the cerebral cortex, controls conscious activities, the cerebellum coordinates muscle movements, and the brain stem is responsible for vital body processes.

Sense of identity
Researchers have discovered that each side of the brain (hemisphere) is associated with different abilities.

Right Hemisphere Controls the left side of the body Creativity and artistic ability Left Hemisphere (the analytical hemisphere) Controls the right side of the body Produce and understand language Analytical and mathematical ability Finally, the cerebrum consists of two types of surfaces, an outer and an inner surface. The outer surface is called the cerebral cortex and consists of layers of neurons without myelin (fatty insulation). These layers appear to be gray in color and are therefore referred to as "gray matter". The inner surface is called the cerebral medulla, which consists of layers of myelinated neurons. The myelin is white and therefore these inner layers are referred to as "white matter".

Human Brain

The human brain is a complex organ that allows us to think, move, feel, see, hear, taste, and smell. It controls our body, receives information, analyzes information, and stores information (our memories).

The brain produces electrical signals, which, together with chemical reactions, let the parts of the body communicate. Nerves send these signals throughout the body.

The average human brain weighs about three pounds (1300–1400 grams). As a comparison, a half-gallon of water weighs about four pounds. The brain consists of gray matter (40%) and white matter (60%) contained within the skull. Brain cells include neurons and glial cells. Although the brain is only 2% of the body’s weight, it uses 20% of the oxygen supply and gets 20% of the blood flow. If brain cells do not get oxygen for 3 to 5 minutes, they begin to die.

The brain and spinal cord make up the central nervous system (CNS). The brain is connected to the spinal cord, which runs from the neck to the hip area. The spinal cord carries nerve messages between the brain and the body. The cells of the nervous system are quite fragile and need extensive protection from being crushed, infected by disease organisms, and other harm. The brain and spinal cord are covered by a tough, translucent membrane called the dura matter. Cerebrospinal fluid (CSF) is a clear, watery liquid that surrounds the brain and spinal cord and is also found throughout the ventricles (brain cavities and tunnels). CSF cushions the brain and spinal cord from jolts.

The cranium (the top of the skull) surrounds and protects the brain. The spinal cord is surrounded by vertebrae (hollow spinal bones) and also some muscles serve to pad and support

In the early 1900s, researchers discovered that when blue dye was injected into the bloodstream of an animal, all of the tissues and organs of the body turned blue except for the brain and spinal cord. This indicated that there was a special barrier that prevented some substances from entering the central nervous system through the bloodstream. This barrier is now called the blood brain barrier (BBB). The basic attributes of the BBB are as follows:

1. Large molecules do not pass through the BBB easily.

2. Lipid (fat) soluble molecules, such as barbiturate drugs, rapidly cross the BBB into the brain. However, low lipid soluble molecules do not.

3. Molecules that have a high electrical charge to them are slowed as they pass through the BBB.

The BBB is semi-permeable, which means it allows some materials to pass through it but prevents others from doing so. The smallest blood vessels in the body are called capillaries and are lined with endothelial cells. Endothelial tissue has small spaces between each individual cell so the spine. More subtly, the blood-brain barrier protects the brain from chemical intrusion from the rest of the body. Blood flowing into the brain is filtered so that many harmful chemicals cannot enter the brain. The brain has three main parts, the cerebrum, the cerebellum, and the brain stem. The brain is divided into regions that control specific functions.

About Alzheimer’s

There are several organizations dedicated to educating patients, families, and caregivers about Alzheimer’s, providing helpful insights into where to go for help and support. These organizations are listed in the Resources section of this book.

Researchers have been studying the AD brain, with all its complexities, since Alois Alzheimer presented his patient in 1907. Science is now closer to finding some answers about what may cause AD, and therefore gaining momentum on what may prevent or treat the disease.

The changes that occur in the brain in Alzheimer’s disease provide some background to the medications used in this disease. It is important to keep in mind that there is currently no definitive explanation as to why this disease process begins. First, it is essential to have some knowledge of the functions of the brain to understand Alzheimer’s and how the medications are developed and utilized.

Sunday, October 25, 2009

The impact of Alzheimer’s

Alzheimer’s disease not only affects the patients but also the patient’s family. Almost one out of three households in the Figure 1.1 Alois Alzheimer (pictured here) is the German neurologist who is credited with discovering Alzheimer’s disease.

Defining Alzheimer’s Disease
United States is affected by AD. A little over half of the care provided to AD patients is at home; some estimates place the care at home closer to 75% (Figure 1.2). The combination of healthcare expenses and the loss of income of both the patient and the caregiver is approaching $100 billion nationwide. The Figure 1.2 Almost one out of three households in the United States is affected by Alzheimer’s disease. An estimated 75% of Alzheimer’s patients receive home care.

Over half of the nursing home residents in the United States have AD or some other form of dementia. The annual cost of caring for an AD patient ranges from $18,400 for mild symptoms to $36,132 for those with advanced symptoms. In addition, the average cost of nursing home care is almost $58,000 a year. Medicare and most health insurance plans do not cover the care of an AD patient since it is considered "custodial care".

Caregivers are a subset of the Alzheimer’s picture that is often overlooked. Stress and depression are reported frequently among caregivers: depression affects approximately 50% of caregivers, with stress occurring in at least 80%. Not surprisingly, the emotional, financial, and sometimes physical burden of witnessing a loved one decline mentally and physically is often overwhelming.