You know that aging likely will cause wrinkles and gray hair. But do you know how getting older will affect your teeth, heart and sexuality? Find out what changes to expect as you age — and how to boost your chances of good health at any age. It's common for arteries to become stiffer over time. Every person – in every country in the world – should have the opportunity to live a long and healthy life. Yet, the environments in which we live can favour health or be harmful to it. Environments are highly influential on our behaviour and our exposure to health risks (for example, air pollution or violence), our access to services (for example, health and social care) and the opportunities that ageing brings. The number and proportion of people aged 60 years and older in the ... Learn about NIA, one of the Institutes of NIH, which leads the federal government in research on aging and Alzheimer’s disease and related dementias. Aging, progressive physiological changes in an organism that lead to senescence, or a decline of biological functions and of the organism’s ability to adapt to metabolic stress. The aging process takes place over the entire adult life span of any living thing.
