Epidemiology is, at its heart, the science of disease. It is a branch of public health that studies disease and how it spreads amongst human and non-human populations, with the goal of using that understanding to help control and limit the spread of pathogens and other negative health problems.

The purpose of public health practice is to prevent disease or injury and to improve the health of communities through such activities as disease surveillance, program evaluation, and outbreak investigation.

Public health nutrition is the application of nutrition and public health principles to design programs, systems, policies, and environments that aim to improve or maintain the optimal health of populations and targeted groups.

Community nutrition encompasses individual and interpersonal-level interventions that create changes in knowledge, attitudes, behavior, and health outcomes among individuals, families, or small, targeted groups within a community setting.

Tobacco use may be defined as any habitual use of the tobacco plant leaf and its products. The predominant use of tobacco is by smoke inhalation of cigarettes, pipes, and cigars. Smokeless tobacco refers to a variety of tobacco products that are sniffed, sucked, or chewed.

The Importance of Infectious Disease Epidemiology for Prevention. It is often said that “Epidemiology is the basic science of preventive medicine.” To prevent diseases, it is important to understand the causative agents, risk factors, and circumstances that lead to a specific disease.

Sexual and reproductive health is a field of research, healthcare, and social activism that explores the health of an individual's reproductive system and sexual well-being during all stages of their life.

Adolescent pregnancy is defined as the occurrence of pregnancy in girls aged 10–19. Adolescent pregnancy is a global phenomenon with clearly known causes and serious health, social and economic consequences.

Occupational health is an area of work in public health to promote and maintain the highest degree of physical, mental, and social well-being of workers in all occupations.

Mental illness also called mental health disorders, refers to a wide range of mental health conditions — disorders that affect your mood, thinking, and behavior. Examples of mental illness include depression, anxiety disorders, schizophrenia, eating disorders, and addictive behaviors.

This term refers to the overall management and leadership of both public and private healthcare organizations. Essentially, healthcare management is in place to ensure that operations in the entire healthcare sector are maintained seamlessly.

Obesity is a complex disease involving an excessive amount of body fat. Obesity isn't just a cosmetic concern. It's a medical problem that increases the risk of other diseases and health problems, such as heart disease, diabetes, high blood pressure, and certain cancers.

Food safety refers to routines in the preparation, handling, and storage of food meant to prevent foodborne illness and injury.

High blood pressure, heart disease, stroke, liver disease, and digestive problems. Cancer of the breast, mouth, throat, esophagus, voice box, liver, colon, and rectum. Weakening of the immune system increases the chances of getting sick. Learning and memory problems, including dementia and poor school performance.

The Division of Maternal & Infant Health (DMIH) is home to an array of public health programs, initiatives, and interventions aimed at improving the health and well-being of women, infants, families, and communities.

The reproductive, perinatal, and Pediatrics epidemiology (RPPE) program area provides students with a multidisciplinary perspective and a strong foundation in epidemiologic concepts and methods necessary to study human reproduction and child health and development.

Sexually transmitted infections (STIs) are generally acquired by sexual contact. The bacteria, viruses, or parasites that cause sexually transmitted diseases may pass from person to person in blood, semen, or vaginal and other bodily fluids.

Environmental health is the branch of public health concerned with all aspects of the natural and built environment affecting human health. In order to effectively control factors that may affect health, the requirements that must be met in order to create a healthy environment must be determined.

The epidemiology of cancer is the study of the factors affecting cancer, as a way to infer possible trends and causes. The study of cancer epidemiology uses epidemiological methods to find the cause of cancer and to identify and develop improved treatments.

Epidemiology is, at its heart, the science of disease. It is a branch of public health that studies disease and how it spreads amongst human and non-human populations, with the goal of using that understanding to help control and limit the spread of pathogens and other negative health problems.

In public health, the profession of pharmacist is not formally defined. The wide health knowledge and expertise of a pharmacist make them an appropriate source for providing public health services in most public-private environments, such as hospitals, pharmaceutical companies, retail shops, and nursing homes.

Sleep disorders are conditions that result in changes in the way that you sleep. A sleep disorder can affect your overall health, safety, and quality of life. Sleep deprivation can affect your ability to drive safely and increase your risk of other health problems.

Preventive medicine is the practice of promoting preventive health care to improve patient well-being. The goal is to ultimately prevent disease, disability, and death.

 

Adolescent health, or youth health, is the range of approaches to preventing, detecting, or treating young people's health and well-being. The terms adolescent and young people are often used interchangeably, as are the terms Adolescent Health and Youth Health.

Health administration, healthcare administration, healthcare management or hospital management is the field relating to leadership, management, and administration of public health systems, healthcare systems, hospitals, and hospital networks in all the primary, secondary, and tertiary sectors.

Occupational Safety and Health (OSH) deals with all aspects of health and safety in the workplace and has a strong focus on the primary prevention of hazards. Its goal is to prevent accidents and harm to people from work-related activities.

Public health policy is defined as the laws, regulations, actions, and decisions implemented within society in order to promote wellness and ensure that specific health goals are met. Public health policies can range from formal legislation to community outreach efforts.

Veterinary public health is a component of public health that focuses on the application of veterinary science to protect and improve the physical, mental and social well-being of humans.

Epidemiology is the “study of distribution and determinants of health-related states among specified populations and the application of that study to the control of health problems.

Genetic epidemiology is a relatively new discipline that seeks to elucidate the role of genetic factors and their interaction with environmental factors in the occurrence of disease in populations.