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Public Health

Public health is the process of mobilising and engaging local, state, national, and international resources to assure the conditions in which people can be healthy. Public health careers are incredibly varied, but come down to one key tenet: protecting the health of the population. Public health programs exist at the community, national, and global levels. Surveillance is an area of public health that looks closely at infection and disease, but with systematic, continuous collection of data in order to determine trends. It helps determine if a particular infection or disease in increasing, decreasing, or staying the same. Related to this is public health informatics which is the management of health data, and the intersection between technology and public health practice.

All of this health information needs to be communicated to the public and that is usually done through public health communicators and health educators. Public health communications can include development of messages and content, working with news media, and training medical professionals on how to talk with patients about specific topics. Health education is usually focused on a specific health concern and aims to increase awareness and knowledge about a particular health topic. All public health programs require strategies and management, and that is where public health services administration comes in. This can range from managing programs and projects, to contracts and grants, to resources and supplies.

The global home healthcare market size is anticipated to reach USD 515.6 billion by 2027, registering a CAGR of 7.9%. This growth can be attributed to cost-efficiency, improved patient outcomes, and convenience offered by home healthcare agencies. In addition, a rising geriatric population and growing prevalence of chronic diseases such as Alzheimer's, dementia, and orthopaedic conditions, is expected to drive market growth. As per the Population Reference Bureau data updated in June 2019, the number of people aged 65 years and above was 52 million in 2018 and is projected to double by 2060 to reach 95 million. The World Health Organization (WHO) statistics state that there are around 50 million dementia patients in the world with 10 million new cases getting added every year. This number is expected to reach 82 million by 2030.

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