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Heart Rate

HEALTH
July 17, 2006 | Marc Siegel, Special to The Times
"Superman Returns," Warner Bros., July 2006 The premise: AFTER returning to Earth from an extended sojourn, Superman (Brandon Routh) saves a space shuttle and its carrier jumbo jet from disaster, is assaulted by and prevails over criminals (in an incredibly vivid scene, his invulnerability to bullets is depicted as one is actually flattened by his eyeball), and is attacked by the evil Lex Luthor (Kevin Spacey).
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SCIENCE
September 1, 2012 | By Eryn Brown, Los Angeles Times
Slave to your email? Wonder what would happen if you had to do without it? UC Irvine informatics professor Gloria Mark was curious - so she recently led a study that separated 13 people from their email for five days and recorded what happened when they unplugged. Mark spoke with The Times about the joys and sorrows of ditching email and why the Army is interested in her research. What made you want to see how people fared without email? That was way back in 2005. I had this crazy idea that people were addicted to email.
NEWS
June 15, 2011 | By Thomas H. Maugh II, Los Angeles Times/For the Booster Shots blog
Men with cardiovascular disease often wonder whether sexual activity might be dangerous for them, potentially triggering a heart attack in the midst of the excitement, or whether the exercise might actually be good for the heart. A new review by the Harvard Men's Health Watch indicates that, as exercise, sex is probably not very helpful, but it is also most likely not very dangerous either. Careful studies have shown that about one in every 100 heart attacks is related to sexual activity; for fatal arrhythmias, the rate is about one in 200. For a healthy 50-year-old man, the risk of having a heart attack in any one hour is about one in a million; sexual activity doubles the risk, but that risk is still just two in a million.
HEALTH
July 4, 2005 | Roy M. Wallack
Some personal trainers say that obtaining biofeedback is the best way to get the most out of your cardio training. Consisting of a chest strap that uses electrodes to detect your heart rate and a wristwatch readout that displays it as beats per minute, a heart rate monitor encourages you to stay in a heart rate target zone that is challenging enough to increase your fitness, but easy enough to avoid injury or exhaustion.
HEALTH
January 12, 2009 | Jeannine Stein
This week, people are likely realizing that making resolutions is much easier than keeping them. Many are already faltering on their fitness goals, finding it difficult to brave the morning or evening chill. But don't reach for the doughnuts -- on this second week of a four-part series on starting a fitness program, we've got help from David Brinton, is a former Olympian, and currently an elite USA Cycling coach and president and founder of Technik Sports Inc.
BUSINESS
May 3, 2012 | By Deborah Netburn, This post has been corrected. See the note at the bottom for details
Are you addicted to checking your work email? Do you check it first thing in the morning and right before you go to bed? Do you check it on work breaks and even on vacations?  Well, here's a piece of advice: Stop. According to a new study by researchers at UC Irvine , people who check their work email regularly exhibit higher states of stress, and less focus, than workers who continue to do their jobs while being cut off from email entirely. The study examined the heart rate of workers at a suburban office outside of Boston.
MAGAZINE
December 2, 1990 | KARRE SLAFKIN
AN EXERCISE AFICIONADO knows the importance of working out in his or her target heart-rate zone during a cardiovascular session. But how do you know if you've reached the proper level, or whether you're maintaining it throughout the workout? Well, with a little help from microcomputer technology, it's easy: Just strap on a Polar heart-rate monitor. Polar USA offers six wireless models (priced from $149 to $495) that work on the same principle as an electrocardiograph (ECG).
NEWS
July 15, 1999 | RENEE TAWA, TIMES STAFF WRITER
In a New York lab, the women had five chances to relax, and then the electrodes told the story. The five activities were: play a hand-held computer game, read the newspaper, sew a simple pattern on a pillow, paint on an easel and play a solo card game of "War." Researchers monitored the women's heart rate, blood pressure, perspiration and other stress indicators.
HEALTH
September 29, 2012 | Roy Wallack, Gear
When the weather cools off (we hope) this fall, the active man and woman will hit the trail. Whether you hike, bike, run or bird-watch, carry a giant backpack or a pocket-sized water bottle, push your heart rate to the limit or barely break a sweat, the items below will add to the fun - helping to speed you along, keep you on track, record the adventure and get you home safer and sounder. Smart head light Petzl NAO: Patented, self-adjusting headlamp for all-night marathoners, mountaineers and rock climbers that automatically alters light output based on how far you are from an object, theoretically maximizing safety and battery life.
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