Human Health and Disease Test - 4

Sickle cell anemia is a autosomal recessive disease that change the shape of RBC sickle like that reduce the oxygen carrying capacity of blood. This disease has not been eliminated from the African population because it provide immunity against malaria.

Typhoid fever is an acute illness associated with fever caused by the Salmonella typhi bacteria.

The bacteria are deposited in water or food by a human carrier and are then spread to other people in the area.

The Flavivirus causes yellow fever, and it's transmitted when an infected mosquito bites you. Mosquitoes become infected with the virus when they bite an infected human or monkey. The disease cannot be spread from one person to another.

Hay fever (allergic rhinitis) is a common allergic condition.

Symptoms of hay fever mimic those of chronic colds and include stuffy or runny nose, itchy and watering eyes, and sneezing.

The best way to treat an allergy condition is to identify the allergic trigger and avoid it.

The common cold is a viral infectious disease that infects the upper respiratory system. It is also known as acute viral rhinopharyngitis, or acute coryza. Being the most common infectious disease in humans, the cold is mainly caused by coronaviruses or rhinoviruses.

Acquired immune deficiency syndrome (AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV).

Myxedema is a disease caused by decreased activity of the thyroid gland in adults and characterized by dry skin, swellings around the lips and nose, mental deterioration,tendency to retain water in tissues and a subnormal basal metabolic rate.

Common cold is caused by virus and antibiotics do not cure viral disease as virus use the machinery of human cells to reproduce. Most of antibiotics do not allow the cell wall formation of bacteria and fungi to prevent their growth but virus do not have cell wall.

Pneumonia causes inflammation in the air sacs in your lungs, which are called alveoli. The alveoli fill with fluid or pus, making it difficult to breathe.

Pneumonia is caused by a number of infectious agents, including viruses, bacteria and fungi. The most common are:

• Streptococcus pneumoniae – the most common cause of bacterial pneumonia in children;
• Haemophilus influenzae type b (Hib) – the second most common cause of bacterial pneumonia;

Any deviation in the normal function of the human body due to an external agent or stimuli is known as health effect.

Health of an individual is affected by genetic disorder, infection from microbes and life style that includes food habit, rest and exercise.

Ranikhet disease, also known in the West as Newcastle disease is a contagious and highly fatal daises of flows.

In spite of the notable work done towards its control, this disease still ranks as one of the most serious virus diseases of poultry.