How the spleen works
By: Tarek Musslimani
The spleen is the largest organ of the immune system. It is located in the left side of the upper abdomen. It is mostly composed of two main structures that are specialized in immune response and in blood filtration. These two structures are called the...
How blood flows through the heart
By: Amelia Walker
The human heart is a muscular pump. It is the second most important organ in the body, second only to the brain since the brain has a command centre for controlling the heart as well. It pumps about 75 times per minute for a...
What are endorphins?
By: Jonathon Lock
Endorphins, whose name is derived from the Greek words endogenous and morphine, are opioid peptide neurotransmitters. Opioid neurotransmitters work by binding to the receptors in the central nervous system. These neurotransmitters are called opioid receptors because they react with the same nervous system receptors as...
By: Effie Moore Salem
Vertigo, an acute form of dizziness where the head appears to be spinning in all directions and balance becomes impossible; patients are left wondering what in the world is happening to them. Upon examination by an ear, nose and throat physician or the family doctor...
What to take to hospital when you're having surgery
By: Jonathan Victor
Going to the hospital can be a stressful experience. When you go to the hospital for surgery, in particular, it can be even harder to deal with. One of the best things to do to make it easier for yourself is to bring with you...
Common picornavirus infections: Hepatovirus
By: D. Vogt
The hepatovirus genus is a group of viruses within the picornavirus family. Today, there is only a single known hepatovirus, the virus which causes Hepatitis A in humans. Hepatitis A is a liver disease which usually spreads through poor hygiene and in rare cases can...
By: Effie Moore Salem
Not getting enough sleep is a complaint heard of around the world. It seems too many people are burning the midnight oil and staying awake when they should be deep in sleep and their bodies functioning at the lowest ebb. In this state, the body&rsquo...
Potential role of copy number variation in autism
By: Effie Moore Salem
Autism is an abnormal neurological development in children that shortchanges them in skills necessary for getting along in life. These, pervasive development disorders (PDDs) or another label, ASDs (autism spectrum disorders, are nearly always recognizable by the age of three. Copy number variation—sometimes spoken...
By: Bonnie Weikel
Life's big surprise's. What you are about to read happened to me on Oct.10th,2004, 2 months before I was to get married. Imagine gong to bed one night and waking up 21 days later. That's what happened to me. I refer to it...
By: Alicia M Prater PhD
The first development on the road to thermometers was Galileo's invention consisting of a series of glass spheres filled with varying densities of alcohol that would rise or fall in a closed tube of water depending on the temperature. Around the same time, in the...

 

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