There has been an alarming increase in venereal or sexually transmitted diseases ( V.D. or S.T.D.) due to promiscuity and free sex. These diseases are caused by bacteria and germs and canbecome very serious if not treated properly and early. The most common disease in this category are syphilis and gonorrhoea.

Veins are thin-walled vessels through which the impure blood is carried back to the heart. They usually have valves which regular the flow of blood towards the heart. Varicose veins are a condition in which veins become enlarged, dilated or thickened.

Tuberculosis or consumption is one of the most dreaded diseases. It is a major health problem in Indonesia and often rated the number one killer. Over five lakh people die of this disease every year.

Tonsillitis refer to acute inflammation of the tonsils. It is also known as acute sore throat. Chronic tonsillitis is a term applied to cases inwhich there is enlargement of the tonsils accompanied by repeated attacks of infection.

Underweight,like over, is a relative terms, being based on the ideal weight for a given height, built and sex. A person can be regarded as moderately underweight if he or she weighs 10 per cent below the ideal body weight and markedly so if 20 per cent below the ideal.

The term stress has been borrowed by biologists from engineering, where it implies an ability to withstand a defined amount of strain. Dr. Hans Selye, a great medical genius and noted world authority on stress, has described stress as ” a state manifested by a specific syndrome which consists of all the non-specifically induced changes within a biological system. “

Sinusitis refers to an inflammation of the mucous membrane lining the paranasal sinuses. If often follows the common cold, influenza and other general infections. Germs which are usually eliminated from body sometimes find their way into these sinuses or chambers on either side of the nasal passage, leading to sinus trouble.

Sex is now regarded as a basic instinct like hunger. Sexual activity, however, demands complete concentration and relaxation. It cannot be performed in haste and tension. Persons who are usually tense and over-occupied are unable to follow these norms. Many persons, therefore, suffer from sexual dysfunctions. The most common male sexual dysfunction is impotence or loss of sexual power.