ALZHEIMER'S DISEASE
The enduring disorder in memory retention is known as Alzheimer's disease. Generally, the disease affects the brain tissues after one reaches forty years. Once affected, Alzheimer's gradually destroys the ability to reason, remember, imagine and learn. It is marked by abnormal clumps (plaques) and irregular knots (neurofibrillary tangles) of brain cells. For reasons not well understood, these plaques and tangles take over healthy brain tissues, devastating the areas of the brain associated with intellectual function.

BENIGN PROSTATIC HYPERPLASIA
Benign Prostatic Hyperplasia (BPH) is a condition that often begins at about 40-45 years, due to hormonal changes that result in prostatic enlargment. The word "benign" means that the enlargement is not caused by cancer or infection. The word "hyperplasia" means enlargement.

PARKINSON'S DISEASE
It was first described by James Parkinson in England in 1817. The disease most often develops after age 50. It affects both men and women and is one of the most common neurologic disorders of the elderly. The disease itself causes degeneration of nerve fibres. The brain consists of cells called 'Neurons' and their fibres called 'Nerves'. Nerves are like cables and in some conditions, thinning of these cables occur; this is known as degeneration.

PROSTATE CANCER
As the name suggests, prostate cancer develops from cells of the prostate gland. The prostate gland is about the size of a walnut and is located in front of the rectum, behind the base of the penis, under the bladder. It is found only in men, and produces some of the seminal fluid, which protects and nourishes sperm cells.The prostate surrounds the upper part of the urethra, the tube that carries urine and semen out of the penis. Nerves located next to the prostate take part in causing an erection of the penis.