What is the reason for studying sudden infant death syndrome?

Because of brain abnormalities or defects.

Explanation:

Health care providers and researchers do not know  what is the the exact cause behind these deaths , but there are many theories which describes these deaths of infants.

The suggestion of most  research evidence that infants  who are born with are born with brain abnormalities or defects will die from sudden infant death syndrome (SIDS) .  A network of nerve cells contains these defects  that depends on a chemical named serotonin which sends a signal from one nerve to another nerve cell.

he is suggesting that this widow is a strong woman, who is giving constructive criticism and she has enough to worry about, and she takes care of him, so he does not take it to heart.

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.