I know when traveling on short and long-term vacations we try to pack light, but it’s better to carry around a little extra and be prepared.
You’ll want to be aware of any health matters like common viruses and pollution, but also be aware of structural factors like economic instability, crime rates, and government corruption.
They offer an alphabetical list of countries, and in each, they include a list of the primary health hazards, any current health crises, high risk activities to avoid, as well as a packing list.
Especially if you enjoy participating in action sports that can increase the risk of severe injury, you may want to consider purchasing additional coverage for any high risk activities you plan to participate in.