Age UK has lots of information and advice specifically for older people and those who care about them, on subjects ranging from keeping healthy to dealing with debt. You, or the person you’ve been talking to, might find it helpful to have a look.
You can order information guides free of charge from the Age UK Advice Line by calling 0800 678 1602.
Other organisations that may be able to help
The local council
If you're concerned the person you're worried about is a risk to themselves or others, speak to their local council's adult social services team.
If you're worried about someone's memory problems, Alzheimer's Society has information that may help.
You may be wondering if you can talk to the person's GP about their health. The NHS has guidance on this.