Polypharmacy is the use of four or more medications by a patient, generally adults aged over 65 years. polypharmacy is common in elderly with the highest number of drugs taken by those residing in nursing homes nearly 50% of older adults take one or more medications that are not medically necessary.

Geriatric nutrition applies nutrition principles to delay effects of aging and disease, to aid in the management of the physical, psychological, and psychosocial changes commonly associated with growing old. Changes associated with normal aging increase nutritional risk for Elderly.

Nutritional needs of the older individual are determined by multiple factors, including specific health problems and related organ system compromise; an individual's level of activity, energy expenditure, and caloric requirements; the ability to access, prepare, ingest, and digest food; and personal food preferences.

Geriatric psychiatry emphasizes the biological and psychological aspects of normal aging, the psychiatric effect of acute and chronic physical illness, and the biological and psychosocial aspects of the pathology of primary psychiatric disturbances of older age. Geriatric psychiatrists focus on prevention, evaluation, diagnosis, and treatment of mental, emotional and sleep disorders in the elderly and improvement of psychiatric care for healthy and ill elderly patients.

Geriatric care is the process of planning and coordinating care of the elderly and others with physical and/or mental impairments to meet their long term care needs, improve their quality of life, and maintain their independence for as long as possible.

Geriatric care   is especially helpful for long distance caregivers but is helpful for anyone needing some extra guidance and helps in caring for someone with dementia and help families and ill loved ones cope with complex issues.

Geriatric medicine is a specialty that focuses on health care of elderly people. A Geriatric disorder is a disruption to regular bodily structure and function, logically connected, associated with old age, have a multifactorial etiology and course of chronic, poorly treated. They lead to a decline in the human independence. Some of the Geriatric disorders’s include Delirium, Depression, Cognitive deficit syndrome and Malnutrition syndrome.

Aging is the process of becoming older. In the narrow sense aging represents the accumulation of changes in a human being over time, encompassing physical, psychological, and social change. Aging is among the greatest known risk factors for most human diseases of the roughly 150,000 people who die each day across the globe, about two thirds die from age-related causes.

Geriatric Case Study involves the case study of older people in the society and it is an up-close, in-depth, and detailed examination of a subject (the case), as well as its related contextual conditions. Case studies appear with great frequency throughout popular works, with nearly anybody able to claim to have done one. Case studies also can be produced by following a formal research method. These case studies are likely to appear in formal research venues, such as journals and professional conferences, rather than popular works.

Health: the state of complete physical, mental and social wellbeing and not merely the absence of disease or infirmity. Healthcare system is the organization of people, institutions, and resources that deliver health care services to meet the health needs of target populations.

Surgery is the branch of medicine that deals with the diagnosis and treatment of injury, deformity, and disease by the use of instruments. The geriatric measure uses standard risk variables to track traditional patient and procedure adjusted surgical outcomes, such as postoperative complications and 30-day mortality.

Geriatric Nursing is the branch of nursing concerned with the care of the older population, including promotion of healthy aging as well as prevention, assessment, and management of physiological, pathological, psychological, economic, and sociological problems.

Rehabilitation is the art and science of enabling engagement in everyday life, through occupation; of enabling people to perform the occupations that Promote health and well-being; and of enabling a just and inclusive society so that all people may participate to their potential in the daily occupations of life.

It is the art and science of preventing disease in the geriatric population and promoting their health, efficiency, treating diseases and disabilities in older adults. The goal of Preventive geriatrics is to nurture a state of health that allows maximal active life expectancy while maintaining high levels of function.

The main aim of ethics for geriatrics is to identify key ethical issues in geriatrics and ethics. To develop the ability to articulate ethically optimized strategies for handling relevant ethical issues. To understand and identify difficult or unusual ethical challenges in elder populations.

Iatrogenic Infection is one that develops as a result of another form of medical treatment or advice provided to a patient. It could be because of complications after surgery or another medical treatment, or it could be because of indirect interactions from medications or drug therapy.

Clinical trials are used to evaluate the effectiveness and safety of medications or medical devices by monitoring their effects on large groups of people.

Geriatrics clinical trials researches on health and disease in the aged and research on aging over the human lifespan, including its relationships to health outcomes and three major research areas such as, Geriatrics, Clinical Gerontology, and Clinical Trials.

Elder abuse is any form of mistreatment that results in harm or loss to an older person and it is the infliction of physical, emotional/psychological, sexual or financial harm on an older adult. Elder abuse can also take the form of intentional or unintentional neglect of an older adult by the caregiver.