Most countries have a rising life expectancy and an aging population. This trend was initially seen in developed countries, but is now seen in all developing countries.1 Those who cannot live at home are being cared for in a range of residences based on their degree of dependency.
If you find a dimension intereseting, we recommend you pick up one or two facts that you find intriguing and place them into your memory. That way you will have 2nd degree information about the topic if it comes up in conversation.
Accordingly, you can do the same with others as well.