Milaria
The disease that causes the most harm to people globally is considered to be cardiovascular disease, which includes conditions such as heart attacks and strokes. It is a leading cause of death worldwide and can result in significant morbidity and loss of quality of life.
Duch ellm disease
It's not a country. It's a type of disease which can harm people.
Pathogens cause Infectious Diseases by pathogens getting into your body and caused harm.
water borne disease harm the body by causing disease such as typhoid malaria leprosy it is a spreadable disease
cavities, too much sugar or any damage or harm caused to the tooth.
Parasite is an organism, that lives off another organism. Pathogen is something that causes disease in another organism. So the answer is "Yes". eg Malaria is a disease caused by a parasite.
However, in the case of people with Alzheimer's disease, zinc can cause more harm than good. Some experiments indicate that zinc actually decreases intellectual function of people with this disease.
As long as they haven't caused physical harm. Who you associate with is a choice.
Infectious diseases are caused by micro-organisms such as bacteria, fungi and viruses that have the ability to reproduce and spread to other parts of the body or to other hosts (people) and cause harm to the host by preventing parts of the body from performing necessary functions.
Some people may think that HIV or AIDS is the most deadly disease. However, Ischemic Heart Disease is the most deadly. This leads to death frequently and happens to 1% of the population.
If you knew what a disease was, you'd know that they are things that harm or kill people. Then you'd know why the body needs to protect against them.