However, oxidative stress is actually useful. in some instances. For example, oxidative stress. induces apoptosis to prepare the birth canal for. delivery. Also, biological defense mechanisms. are strengthened by oxidative stress during. appropriate physical exercise and ischemia.
The 100th anniversary of the Triangle shirtwaist factory fire, which killed 146 workers in a New York City garment factory, marks a century of reforms that make up the core of OSHA's mission.
The average death rate in 2011 was 3.5 per 100,000 workers for the average American worker. Fishermen had the most dangerous jobs with 121 deaths per 100,000, followed by loggers and pilots. Firefighters die at a rate of 2.5 per 100,000 workers, which is slightly above the rate for cashiers (1.6).