Introduction:Alzheimer's disease (AD) is a degenerative disease of the brain from which there is no recovery. The disease slowly attacks nerve cells in all parts of the cortex of the brain and some surrounding structures, thereby impairing a person's abilities to govern emotions, recognize errors and patterns, coordinate movement, and remember. Causes: Researchers are finding specific biologic factors involved with Alzheimer's disease....
Saturday, November 13, 2010
Friday, November 12, 2010
ADHD Animation, Causes, Sign Symptoms And Treatment
DEFINITION:ADHD is a problem with inattentiveness, over-activity, impulsivity, or a combination. For these problems to be diagnosed as ADHD, they must be out of the normal range for the child's age and development.Alternative Names;ADD; ADHD; Childhood hyperkinesisCauses, incidence, and risk factors;ADHD affects school performance and interpersonal relationships. Parents of children with ADHD are often exhausted and frustrated.Neuroimaging ...
Thursday, November 11, 2010
Actinic Keratosis Animation, Causes, Sign Symptoms and Treatment
DEFINITION:Actinic keratosis is a precancerous skin growth usually caused by sun exposure.Alternative Names;Solar keratosis; Sun-induced skin changes - keratosis; Keratosis - actinic (solar)Causes, incidence, and risk factors:Actinic keratosis occurs most commonly in fair skin, especially in the elderly and in young individuals with light complexions. The growths occur in sun-exposed skin areas. The growths begin as flat, scaly areas that later...
Wednesday, November 10, 2010
Acne Animation, Causes and Description, Diagnosis and Treatment
Boils and carbuncles are bacterial infections of hair follicles and surrounding skin that form pustules (small blister-like swellings containing pus) around the follicle. Boils are sometimes called furuncles. A carbuncle is formed when several furuncles merge to form a single deep abscess with several heads or drainage points.DESCRIPTION:Boils and carbuncles are firm reddish swellings about 0.2-0.4in (5-10 mm) across that are slightly raised...
Tuesday, November 09, 2010
Allergy Animation, Description, Causes, Sign symtoms and treatment
DefinitionAllergic rhinitis is a collection of symptoms, predominantly in the nose and eyes, caused by airborne particles of dust, dander, or plant pollens in people who are allergic to these substances.When these symptoms are caused by pollen, the allergic rhinitis is commonly called hay fever.Alternative NamesHay fever; Nasal allergiesCauses, incidence, and risk factorsAllergies are caused by an over-sensitive immune response. The immune system...
Monday, November 08, 2010
Breast Cancer Causes, Examination and Treatment
Aims of breast cancer surgery To achieve cure if excised before metastatic spread has occurred To prevent unpleasant sequelae of local recurrence Surgical options for the breast Breast Conserving Surgery (BCS) + radiotherapy BCS is regarded as either wide local excision, quadrantectomy or segmentectomy Simple mastectomy Radical mastectomy - obsolete Mastectomy + reconstruction (immediate or delayed) Tumours suitable for...
