Which of the following are problems facing older adults? Select all that apply.
1) The biological and psychological effects of aging lead to greater physical and mental health problems among older adults than in younger age groups.
2) Older Americans can still face high medical expenses or at least pay high premiums for private health insurance.
3) Medicare does not pay for long-term institutional care for most older Americans.
4) There is much evidence that nursing home care is often substandard and is replete with neglect and abuse.
5) All of the above are true.