Last week the Ivy League schools prohibited tackling in football practice but not in games. If the Surgeon General of the United States had acted in a similar way regarding cigarettes, the warning on each package would read: "Smoking causes lung cancer, etc., so please only smoke on weekends."
It is of no import to a human brain whether it's concussed in practice or in a game. Both are equally dangerous.
By enacting this new rule, the Ivy League may have set a new legal standard of care. Although "standard of care" is not a dramatic phrase, it is very important in the law because it determines whether a person or other legal entity is acting in a negligent manner that causes legal liability. Often it is referred to as the "reasonable person" standard, that is, what a reasonable person would do under similar circumstances.
Read the article here.