What is the main focus of mahayana buddhists?

Mahayana Buddhists teach that enlightenment can be attained in a single lifetime, and this can be accomplished even by a layperson.

The main focus of Mahayana Buddhists is Buddha's compassion

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

answer; motor learning;