Cancer is characterized by an uncontrolled growth of abnormal cells in the body. It has became a major cause of sickness and death among the developed countries. We have seen a significant improvement in cancer treatment, since the middle of 20th century which has brought about a decrease in cancer deaths. Many studies are still trying to understand about what goes wrong in a cancer cell and in an individual who develops cancer. The precaution for cancer can be lifestyle change and routine screenings.

Asthma

Asthma is a chronic disorder of the lungs, in which the airways gets constricted which causes breathlessness, wheezing, coughing, and chest tightness. It can be triggered by dust mites, animal dander, pollen, air pollution, cigarette smoke, medications, weather conditions, and exercise. The episodes may start suddenly or after some time. If asthma develops in childhood then it is often associated with inherited susceptibility to allergens, substances such as pollen, dust mites, or animal dander that may induce an allergic reaction. The best precaution of asthma is to avoid yourself from allergenic situations.

HIV/AIDS

Acquired immunodeficiency syndrome (AIDS) is a transmissible disease of the immune system which is caused by a virus known as human immune virus (HIV). This virus slowly destroys the immune system which makes the individual vulnerable to a variety of infections. More than 20 million people have died due to this disease since 1981. The best precaution for HIV/AIDS is to use condoms while intercourse and make sure that no contaminated needle is used for blood transfusion.

Diabetes

Diabetes is a chronic disorder which is characterized by the impairment of the body to produce or respond to insulin. There are two types of diabetes, type 1 diabetes also known as insulin-dependent diabetes mellitus (IDDM) and type 2 diabetes also known as non-insulin-dependent diabetes mellitus (NIDDM). Insulin is secreted by the pancreatic glands, which acts as a gateway for the glucose present in the blood to enter the cells and provide energy to it. The precautions for this disease are consumption of a proper diet which includes less calories and exercises to keep the body fit.

Creutzfeldt-Jakob Disease

Creutzfeldt-Jakob disease is a rare disease which occurs to one person in a million. It is a fatal degenerative disease of the central nervous system. The disease is commonly seen in adults between the ages of 40 and 70 and both male and female are affected equally. The disease can be characterized by vague psychiatric or behavioral changes which progress to dementia and are accompanied by abnormal vision and involuntary movements.

Influenza

Influenza which is commonly called as flu is an acute viral infection of the upper or lower respiratory tract. It is characterized by fever, chills, feeling of weakness, muscle pain and varying degrees of soreness in the head and abdomen. It is caused by any of several strains of orthomyxoviruses, categorized as types A, B, and C. The first precaution against influenza is to get the influenza vaccine.

Lupus Erythematosus

Lupus Erythematosus is commonly known as lupus; it is an autoimmune disorder that causes chronic inflammation in various parts of the body. The three different types of lupus recognized are discoid, systemic, and drug-induced. Discoid lupus affects only the skin and does not affect internal organs. Systemic lupus erythematosus is the most common form of the disease and affects the skin, kidneys, joints, heart, gastrointestinal tract, brain, and serous membranes.

Polio

Poliomyelitis is commonly known as infantile paralysis; it is a acute viral infectious disease of the nervous system and the symptoms of the disease are fever, headache, nausea, fatigue, and muscle pains and spasms. Most cases of polio are seen in children below the age of five years. Ninety percent of the individuals infected with poliovirus don't show any symptoms and there is no cure for this disease. The best precaution against polio is to administer polio vaccines to the children below the age of five.

Ebola

Ebola is a virus belonging to the family Filoviridae; it causes severe and often fatal viral hemorrhagic fever. It is usually seen in primates such as gorillas and chimpanzees and also humans. The symptoms of this disease are extreme fever, rash, and profuse hemorrhaging. The virus was named after the Ebola River in the northern Congo basin of central Africa, where it first emerged in 1976. The precaution for this disease involves avoiding direct contact with the body fluid of infected person and the person who has died because of Ebola.