Some biologists have suggested that the increase in the chro

Some biologists have suggested that the increase in the chronic non-infectious diseases of the modern world may be the result of:

Increasing allergies due to agricultural dust and pollen.

Not coming into contact with as many people as our migrating ancestors.

Living in small, cohesive groups.

Our having bodies adapted to life in the Paleolithic and not the modern world.

Improved diet.

Solution

Ans c living in small cohesive groups

Studies have shown that living in small groups caused stress and depression in people. And this stress and depression caused patients to develop chronic non infection illness . Emotions are one of the 3 major concerns for people with chronic illness. Depressed patients respond poor to medications given.