teenagers with use doubling over a two-year period. researchers say vaping appears to go hand in hand with old fashioned smoking. middle and high school students who vaped were eight times more likely to be traditional smokers and have a harder time quitting. just this week los angeles and long beach, california, voted to treat e-cigarettes much like the real thing. prohibiting their sale to anyone under the age of 18. the two cities joined new york and chicago by banning e-cigarettes in restaurants, bars, workplaces and most public places. the ordinance in long beach also bans the use of e-cigarettes in shops that tell them as well as vaping lounges. in our health headlines, a new app can help you predict how much sleep you ll get based on how much caffeine you took in. it s called up coffee but you don t have to use an up band to use it. you log your caffeine intake in the app and then it will tell where you you fall on a sleep
anything, so they want to do this train that would help us all. who knows. if you re into nascar, you re going maybe 200 miles an hour, maybe more than that. japan has a high-speed train where you re going 300 miles an hour. musk s train, talking about 600 to 700 miles an hour. and there was a 4,000-mile-an-hour train they re talking about. what is the experience of the body that when you are traveling at 600 to 700 miles an hour? and is there sort of a valuable sort of passenger experience while you re going that fast? do you have to be vaped in like dale earnhardt jr.? there s a couple of questions there. the truth is, actually, it s not that the disruptive the way that musk has foreseen it. he s trying to keep g forces to 1 g or below, which is pretty common to what you d experience when cornering in a car. it s all about people don t feel speed. they feel acceleration. if you launch them like in a like in an amusement park ride,