Healthcare

The grasp reflex is significant of frontal lobe lesions. It is regarded as a release phenomenon and occurs normally in infants below one year of age. The grasp reflex probably is the result of tonic innervation’s, due to stretch, hence is proprioceptive in nature. Fulton has shown that the grasp reflex is an integral part of the body righting reflex mechanism and varies with the position of the body in space parallel with the righting reflexes. Read the rest of this entry »

Most people will probably own at least one pair of spectacles during their lifetime—prescription glasses to aid vision, sunglasses to cut down glare or simply to follow fashion, or goggles to protect the eyes from harmful particles. Many eye disorders can be corrected by wearing spectacles. Two commonly occurring problems are short sight and long sight. A person with short sight, or myopia, cannot see object at a distance clearly. This is because the light that enters the eye focuses in front of, rather than on the retina. Lenses prescribed for myopia place the point of focus further back so that it falls on the retina. In long sight or hypermetropia, right rays are brought to a point of focus behind the retina so that it is difficult to focus on near objects. Unlike short-sighted people, those with long sight can subconsciously correct the point of focus, but this produced eye strain and can result in headache and fatigue. Read the rest of this entry »

In addition to the three main diseases mentioned above, there is evidence that cigarette smoking can cause other pulmonary disorders (see Pulmonary disorders, pp 1846 — 49), delays the healing of gastric ulcers, plays a part in the cause of some cancers of the mouth, voice-box, gullet and bladder, and leads to a degree of skin wrinkling appropriate to non-smokers who are 20 years older. There are other factors about smoking that are worth knowing. For nonsmokers, only about one in five will not reach retirement age; for smokers of over 25 cigarettes a day, two in five will not reach this age. In other words the risk is doubled and it isn’t only that smokers are more likely to die of certain diseases; they are more likely to be disabled by them. Read the rest of this entry »