HealthTree Blog

Alzheimer’s disease, a form of age-related dementia, is cause by deteriorating brain tissue. According to some studies, declining levels of testosterone and other sex hormones could play a part in the development of this disease.
About one-half of people over the age of 85 have Alzheimer’s. However, the condition is now a natural part [...]

What is narcissism? Narcissism is a personality disorder in which a person has the feeling that they are more important than anyone else in the world. The person with a narcissistic disorder is usually very selfish, does not feel any sympathy for others and most of the time feel that their needs must [...]

People who suffer from depression often have trouble finding a treatment that works for them. Many stop their treatment because they think it is not working or have side effects that they cannot tolerate. A recent poll showed that many people who suffer from depression have tried three or more plans and about [...]

Several systems govern the body’s sense of balance and orientation.  The structure that is housed in the inner is known as the vestibular system and is one of these systems.  The auditory nerve transmits both hearing and balance information to the brain from the vestibular system constantly to help keep the body in balance.
The cochlea which [...]

Being able to hear different sounds depends on different parts of the entire hearing mechanism and the movement of these parts.  The eardrum or tympanic membrane is the beginning.  The movement of the eardrum triggers movements of other structures in the middle and inner ear and also in the cochlea.  Then the movement of these structures sends nerve [...]

The tiny organ in the inner ear whose structures are important components in hearing mechanism is known as the cochlea. The cochlea looks like a curved snail shell and comes from a Latin word that means “snail shell.  The tiny hair cells that are located in the cochlea send the impulses from nerve to the auditory [...]

As we all know Vitamin D is needed for healthy bones but vitamin D may also help fight depression and other mood disorders.  There is speculation among some researchers that low levels of sun exposure, which lead to Vitamin D deficiency, can be connected to depression. Several studies have indicated that there is an association between major [...]

When a person has Alzheimer’s disease, physical changes occur in the brain that will affect how the brain functions. Two types of brain lesions – amyloid plaques and tau protein tangles – are responsible for these changes and this has been well documented by medical research. CT and PET scan may reveal changes [...]

Taking too much of any vitamin can be dangerous. Too much Vitamin D can lead to hypercalcemia, which is too much calcium in the blood.
Spending too much time in the sun will not cause Vitamin D toxicity. The body is able to store any excess of the vitamin and use it later. [...]

When a foreign substance is accidentally inhaled into the lungs, pneumonia by aspiration can occur especially if these objects are infected with viral, bacterial or fungal organisms. Reports have shown that as many as 15 percent of pneumonia cases are caused by aspiration.
Anyone can develop aspiration pneumonia but certain circumstances can increase the risk. [...]