False, there are many measures people can take against obesity
Answer:
The correct answer is herd immunity.
Explanation:
Herd immunity is the resistance against a contagious disease provided by the immune individuals which makes the major part of the population to few susceptible individuals in the community.
So as most of the population is immune to the disease therefore that disease is not able to overpass these immune individuals and the susceptible person is protected indirectly from that contagious disease. By vaccinating most of the people against a disease we can gain herd immunity. So the right answer is herd immunity.
I do believe it's all of the above. Although, it might not be trouble sleeping. That might be true in some cases, but not in all.
Hypothesis based on common defination is an educated guess.
