Hygiene, Medicine, and Disease Prevention: A Comprehensive Look
Classified in Medicine & Health
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Hygiene: Cleaning and Care of Body, Homes, and Cities
Hygiene refers to the practices involved in cleaning and caring for the body, homes, cities, and towns.
Personal Hygiene
Personal hygiene involves the cleaning and care of the body through the use of:
- Soaps
- Colognes
- Deodorants
- Creams
- Haircuts and washes
- Washing clothes
- Consuming clean food
- Fresh air intake
Home Hygiene
Home hygiene includes:
- Sweeping and dusting
- Washing and disinfecting bathrooms and kitchens
- Painting walls
- Replacing flooring, materials, and furniture
Public Health
Public health involves:
- Cleaning and maintaining streets
- Picking up garbage
- Managing sewage systems to remove waste from cities and purify it
Medicine: Study and Treatment of Human Diseases
Medicine is the science responsible for studying human diseases to cure or prevent them using medications, painkillers, and preventative measures.
Infectious Diseases
An infectious disease is transmitted from one person to another or from an animal to a person. These diseases are caused by organisms that are transmitted from one individual to another. The agents that cause them are bacteria, viruses, and other parasitic organisms.
Transmission of Diseases
Diseases can be transmitted through:
- Contact with the skin of a sick person or contaminated objects such as towels, drinking glasses, toothbrushes, and syringes. Measles and chickenpox are transmitted this way.
- Airborne transmission, such as through coughing or sneezing nearby. The flu, pneumonia, and colds spread this way.
- Contaminated food or water, such as with cholera bacteria or salmonella.
Antibiotics
Antibiotics are medicines that kill infection-causing bacteria without damaging the body's cells. They are neither necessary nor effective for treating viral infections. The use of antibiotics has significantly decreased mortality rates and increased life expectancy. However, their widespread use has led to the emergence of treatment-resistant bacteria. Antibiotics should only be taken under medical supervision and the full course should be completed to ensure all bacteria are eliminated.
Cancer: Types, Causes, and Prevention
Cancer encompasses a wide variety of diseases that can affect any area of the body. A tumor is a mass of cells that grows by consuming the surrounding tissue. The causes of cancer are varied but can include:
- Radiation (X-rays, uranium, ultraviolet rays)
- Carcinogenic substances (tobacco, smoke, gasoline, some plastics)
- Exposure in certain industries
Prevention involves avoiding contact with carcinogens.
Transplantation: Replacing Damaged Organs and Tissues
Transplantation allows for the replacement of a damaged organ or tissue. There are two main types of transplants:
- Autotransplantation: A transplant within the same person (e.g., skin grafts)
- Allotransplantation: A transplant from one person to another (e.g., kidney transplant)
Immune System: Defense Against Disease
The immune system destroys microorganisms that enter our body and can cause illness.
Vaccines: Building Immunity
Vaccines are substances administered to a person to prevent them from contracting a specific disease. Vaccines often contain weakened forms of a virus, allowing the body to develop natural defenses against the disease.
Diseases of Aging
Aging causes changes in all systems and organs of our body, which are evident in appearance, movement, and related functions.