' An Act to preserve daylight and provide standard time for the United States ' was enacted on March 19, 1918. [See law] It both established standard time zones and set summer DST to begin on March 31, 1918. Daylight Saving Time was observed for seven months in 1918 and 1919.
Nitrate-rich foods include lettuce, parsley and spinach. âLeafy vegetables contain chemical nitrate that improves heart health,â the Mail Online reports. In a recent study, researchers looked at the effects of a nitrate-rich diet on rats.
Other sources. are cured meat, fish, dairy products and drinking water. â¦/2. â¢ Around 85% of the nitrate in the diet comes from vegetables, notably red beets, spinach, radishes, celery, lettuce, cabbage, fennel, broccoli, cucumbers and leeks; the remainder is. from cured meat, fish, dairy products and drinking water.