Why Don't We Sneeze When We Are Asleep?

Sneezing, is as stated in the previous post, is a reflex action in response to stimulus in the nasal passage to the brain.  During sleep, most of the activity of the brain declines we are less responsive to external stimuli and the reflex action is not initiated. As such sneezing does not take place during sleep. But if the stimulus is very intense, it can waken the brain and sneezing will occur and you will wake up.

Why Do We Sneeze?

Sneezing is a procedure by which foreign particles, harmful bacteria, viruses etc. that have accumulated in your nasal passage due to a cold or allergic reactions or the blowing of dust in your face are expelled and is a reflex action - an action that is done automatically over which you do not have any control. When there are foreign material in your nose a chemical called histamine is produced which sends signals to the brain that there are material that should not be there. The brain now sends out a message to the lungs to squeeze them and also shuts down the pharynx to prevent air from being squeezed through the mouth. The nose expels these foreign material with a blast of air that may at times reach speeds of some 950 km/hr.

What Is Cramp And Does Massage Help?

Cramp is an involuntary, sudden and painful contraction of a muscle due to localized muscle spasm generally affecting the hands and legs. There are a variety of reasons for the occurrence of a cramp such as mineral deficiency, severe cold, lack of sufficient flow of blood and the accumulation of certain chemicals in that area.
Massage and external compression of the muscle involved can relieve cramp but all cramps cannot be so relieved.

Is Bleeding helpful?

In all cases it is of no help. Bleeding has been going for centuries. It was thought do cure a number diseases but modern practices have found it not to be effective as claimed. It is based upon a long lasting theory that a balance has to be kept between the black bile,yellow bile and blood has to be kept in balance

It was disapproved in the 19th. century by a French pathologist PCA Louis who found no advantage in blood letting and it was the end of blood letting and leaching as well. But it is a part of modern medicine even today.

What Is The Cause Of Myopia?

Myopia is a defect f the eye where the image of an object falls before the retina of the eye. Images should fall on the retina of the eye. Distant objects cannot be seen clearly by a person affected by myopia but he or she can see close objects clearly. Myopia is more commonly known as short sightedness. It is caused by the inaction of the muscles controlling the contraction or expansion of the lens in the eyes. There are two main reasons for the cause of myopia - Increase in the Anterio-Posterior length of the eyeball or the increase in the curvature of the cornea (lens) or an increase in the refractive index of the lens (early cataract).

There are three classifications of myopia - Congenital, simple or development.

There are many techniques available now for the treatment of myopia. They are Radial Keratectomy, Photorefractive  Keratectomy and Lasik Procedure and application of corrective lenses.

What Is Dry Eye Syndrome?

The glands around our eyes produce tears that lubricate our eyes. Tears come in two types - reflex and moisturizing. The first is produced due to emotion or irritation and the second continuously. When you have dry eye syndrome the production of the continuous tears are dramatically reduced. I makes the eye look red. The most common cause of dry eye syndrome is age, as with age the production of tears is drastically reduced. Regarding women hormonal changes especially due to menopause or pregnancy can result in the drying of the eyes.

Wy Take Medicines Befre Or After Meals?

It depends on the interaction of foods with drugs that determines the effectiveness of the drug and that is the reason for prescribing of some of drugs to be taken before meals for the effectiveness of the drug to get onto the blood stream. Some have to be taken before food to be more effective and some during or after food.

Regarding those that have to be taken during or after a meal. Especially those that are of the sustained relief, that are designated as SR (sustained relief ) Some foods interferes with the effectiveness of the drug and have to be taken before food for the drug to be effective.