The hospitals for Health concerns is that the staff are well trained but may speak no or little English and healthcare and insurance do not go overseas. The clinics may lack medical equipment such as medication and hiring a private nurse is recommended. There are however a few insurances that will cover overseas so that should be checked.
Special laws are that cans of pepper spray are illegal, illegal drugs have severe consequences, photographing military installation is illegal, you may be detained for not having passport on you at all times.