Answer:
Heath diseases.
Explanation:
Obesity is a chronic disease that is related to a wide range of fatal health problems such as heart diseases, high blood pressure or diabetes. People with obesity should take extra care of their heart, sugar levels, and their diet to avoid fatal problems or death.
Vaccinations were first used in the year 1796.
The exact definition is ‘a state of mutual trust and support between allies’. an example could be you and your friends. or friends in a book/movie/tv show.