' 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.
Dark green leafy vegetables and beets tend to be among the foods highest in natural nitrates. If trying to increase your nitrate intake, eating arugula, celery, lettuce, beets, spinach, watercress and chervil are good options as they contain more than 250 milligrams of nitrates per 100 grams, or 3.5 ounces.trawberries and melons are the fruits that help you produce the most nitric oxide, and other fruits, including raspberries, cherries, bananas, raisins, prunes and figs, also provide some nitric oxide. These are small amounts, however, with a banana providing less than 5 milligrams of nitrates in each 100-gram serving.