Why must ground beef be cooked to 155 degrees?

Because the U.S. Food and Drug Administration (FDA) Food Code says that restaurants should cook ground beef to 155°F for 15 seconds.

Major sources of stress, such as a death or divorce, problems in family relationships, job loss, school, and substance abuse, can trigger or aggravate some mental disorders in some people. but not everyone who goes through those things develops a mental illness

Dang it i was gonna answer but yeah its c