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8 h = 1 day 40 h = 1 week 50 week = 1 yr. Therefore, for occupation exposures of that time period, 1 mrem/h = 2,000 mrem/yr 0.5 mrem/h = 1,000 mrem/yr. The U.S. National Institute of Standards and Technology (NIST) strongly discourages Americans from expressing doses in rem, in favor of recommending the SI unit. [7]
Recognized effects of higher acute radiation doses are described in more detail in the article on radiation poisoning.Although the International System of Units (SI) defines the sievert (Sv) as the unit of radiation dose equivalent, chronic radiation levels and standards are still often given in units of millirems (mrem), where 1 mrem equals 1/1,000 of a rem and 1 rem equals 0.01 Sv.
Morning dress, also known as formal day dress, is the formal Western dress code for day attire, [1] consisting chiefly of a morning coat, waistcoat, and formal trousers for men, and an appropriate gown for women. Men may also wear a popular variant, where all parts (morning coat or waistcoat, and trousers) are the same colour and material ...
In the US, National Wear Red Day occurs on the first Friday in February each year. [1] National Wear Red Day is sponsored by The Heart Truth, under the auspices of the National Heart, Lung, and Blood Institute—part of the National Institutes of Health, U.S. Department of Health and Human Services.
In 2012 and 2013, some Mormon women participated in "Wear Pants to Church Day", in which they wore trousers to church instead of the customary dresses to encourage gender equality within the Church of Jesus Christ of Latter-day Saints (LDS Church). [92] [93] Over one thousand women participated in this in 2012. [93]
Nutritionists and doctors weigh in on the best multivitamins for women over 50, including helpful nutrients to look for and how to pick the best one for you.
The recommended daily amount of drinking water for humans varies. [1] It depends on activity, age, health, and environment.In the United States, the Adequate Intake for total water, based on median intakes, is 4.0 litres (141 imp fl oz; 135 US fl oz) per day for males older than 18, and 3.0 litres (106 imp fl oz; 101 US fl oz) per day for females over 18; it assumes about 80% from drink and 20 ...
Masters athletics is a class of the sport of athletics for athletes of over 35 years of age. The events include track and field, road running and cross country running.These are the current world records in various five-year-groups, maintained by WMA, the World Association of Masters Athletes, which is designated by the World Athletics (formerly IAAF) to conduct the worldwide sport of Masters ...