seats and causes of diseases

These are the various pathogenic micro-organisms which may enter the water along with sewage or other wastes. These microbes, mainly bacteria and viruses, can cause various diseases such as cholera, typhoid, dysentery, gastroenteritis, polio, hepatitis etc. in the water supply ..

The deficiency of this vitamin occurs mainly in animals. It causes sterility, megaloblastic anaemia. It also causes changes in central nervous system. Compared with animals deficiency of vitamin E is not severe in humans. In humans it causes increased fragility, minor..

Plant diseases are improvement because of the loss they cause. In the history of mankind plant disease have played an important role. A good example would be the Irish potato famine caused due to late blight of potato, a disease affecting the potato..

Plant diseases are improvement because of the loss they cause. In the history of mankind plant disease have played an important role. A good example would be the Irish potato famine caused due to late blight of potato, a disease affecting the ..

Tobacco smoke can increase the secretion of adrenalin - which causes blood pressure and heart beat leading to many cardiovascular diseases..

Communicable Diseases - Communicable diseases are caused by the entry and development of living organisms such as virus, bacteria, protozoans, worms or fungi into the body. The organism causing the disease may be transmitted from one person to anoth..

Communicable diseases are caused by the entry and development of living organisms such as virus, bacteria, protozoans, worms or fungi into the body. The organism causing the disease may be transmitted from one person to another by means of air, water, food, p..

Communicable diseases are caused by the entry and development of living organisms such as virus, bacteria, protozoans, worms or fungi into the bod..

The deficiency of vitamin A is related to eyes, skin and growth. The major deficiency manifestations are related to eyes. It causes xerophthalmia i.e., hardening of cornea of ey..

The main causes for disease in fishes are viruses and bacteria. IPN (Infectious Pancreatic Necrosis) and VHS (Viral Haemorrhagic Septicaemia) are well known diseases. Pollution of water causes great harm to the fish population. Fertilizers, pesticides, efflue..