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Improvements in fuel cell designImprovements in fuel cell design

Rediscovering Venus to find faraway earths

Archaeologists discover bronze remains of Iron Age chariot

Researchers resolve the Karakoram glacier anomaly, a cold case of climate science

Fish tale: New study evaluates antibiotic content in farm-raised fishFish tale: New study evaluates antibiotic content in farm-raised fish

New 3-D display technology promises greater energy efficiencyNew 3-D display technology promises greater energy efficiency

Researchers break nano barrier to engineer the first protein microfiberResearchers break nano barrier to engineer the first protein microfiber

Magnetic mirrors enable new technologies by reflecting light in uncanny ways

Structure of an iron-transport protein revealedStructure of an iron-transport protein revealed

First step: From human cells to tissue-engineered esophagusFirst step: From human cells to tissue-engineered esophagus

Lift weights, improve your memory

Spiders: Survival of the fittest group

Autophagy helps fast track stem cell activationAutophagy helps fast track stem cell activation

Myelin vital for learning new practical skillsMyelin vital for learning new practical skills

More physical activity improved school performanceMore physical activity improved school performance

Around the world in 400,000 years: The journey of the red foxAround the world in 400,000 years: The journey of the red fox

Engineering new vehicle powertrainsEngineering new vehicle powertrains

Active aging is much more than exerciseActive aging is much more than exercise

Study: New device can slow, reverse heart failureStudy: New device can slow, reverse heart failure

Are the world's religions ready for ET?Are the world's religions ready for ET?

Recreating the stripe patterns found in animals by engineering synthetic gene networksRecreating the stripe patterns found in animals by engineering synthetic gene networks

Laying the groundwork for data-driven scienceLaying the groundwork for data-driven science

Hold on, tiger momHold on, tiger mom

Nature's designs inspire research into new light-based technologiesNature's designs inspire research into new light-based technologies

Missing piece found to help solve concussion puzzleMissing piece found to help solve concussion puzzle

Biologists delay the aging process by 'remote control'Biologists delay the aging process by 'remote control'

Geography matters: Model predicts how local 'shocks' influence U.S. economyGeography matters: Model predicts how local 'shocks' influence U.S. economy

Identified for the first time what kind of explosive has been used after the detonationIdentified for the first time what kind of explosive has been used after the detonation

Copied from nature: Detecting software errors via genetic algorithmsCopied from nature: Detecting software errors via genetic algorithms

All Articles Tagged As: heart rate


Do caffeine's effects differ with or without sugar? (12/31/2014)

Do caffeine's effects differ with or without sugar?Consuming caffeinated or sugary drinks can affect the body's metabolism, causing changes in heart and respiratory rate and weight gain. The results of a new study exploring whether individuals respond differently to caffeinated drinks that do or do not contain sugar and to sugar alone are published in Journal of Caffeine Research: The International Multidisciplinary Journal of Caffeine Science. ...> Full Article


Variability keeps the body in balance (10/22/2014)

Although the heart beats out a very familiar 'lub-dub' pattern that speeds up or slows down as our activity increases or decreases, the pattern itself isn't as regular as you might think. In fact, the amount of time between heartbeats can vary even at a 'constant' heart rate -- and that variability, doctors have found, is a good thing. ...> Full Article



Energy drinks cause heart problems (9/13/2014)

Energy drinks cause heart problemsEnergy drinks can cause heart problems according to research presented at ESC Congress 2014 today by professor Milou-Daniel Drici from France. ...> Full Article


'Tickling' your ear could be good for your heart (8/27/2014)

Stimulating nerves in your ear could improve the health of your heart, researchers have discovered. ...> Full Article


Pistachios may lower vascular response to stress in type 2 diabetes (8/18/2014)

Among people with type 2 diabetes, eating pistachios may reduce the body's response to the stresses of everyday life, according to Penn State researchers. ...> Full Article


New clue helps explain how brown fat burns energy (7/13/2014)

Researchers add another piece to the brown fat puzzle, identifying a major factor driving the fat's thermogenic process ...> Full Article


Common BPA-like chemical, BPS, disrupts heart rhythms in females (7/6/2014)

Bisphenol S (BPS), a common substitute for bisphenol A (BPA) in consumer products, may have similar toxic effects on the heart as previously reported for BPA, a new study finds. The results were presented Monday at the joint meeting of the International Society of Endocrinology and the Endocrine Society: ICE/ENDO 2014 in Chicago. ...> Full Article


Many overestimate exercise intensity (6/29/2014)

Do you work out for health benefits and feel you are exercising more than enough? You might be among the many Canadians who overrate how hard they work out or underestimate what moderate intensity exercise means, according to a recent study out of York University's Faculty of Health. ...> Full Article



Caffeine affects boys and girls differently after puberty, study finds (6/26/2014)

Caffeine affects boys and girls differently after puberty, study findsCaffeine intake by children and adolescents has been rising for decades, due in large part to the popularity of caffeinated sodas and energy drinks, which now are marketed to children as young as four. Despite this, there is little research on the effects of caffeine on young people. ...> Full Article


Forty is not too old or too late to start endurance training (5/15/2014)

A study of healthy senior men has found that 'relatively intensive' endurance exercise confers benefits on the heart irrespective of the age at which they began training. The benefits were evident and comparable in those who had started training before the age of 30 or after the age of 40. As a result, said the investigators, 40 is not too old to start endurance training. ...> Full Article


The heart responds differently to exercise in men vs. women (4/1/2014)

The formula for peak exercise heart rate that doctors have used for decades in tests to diagnose heart conditions may be flawed because it does not account for differences between men and women, according to research to be presented at the American College of Cardiology's 63rd Annual Scientific Session. ...> Full Article


Outbursts of anger linked to greater risk of heart attacks and strokes (3/16/2014)

Outbursts of anger may trigger heart attacks, strokes and other cardiovascular problems in the two hours immediately afterwards, according to the first study to systematically evaluate previous research into the link between the extreme emotion and all cardiovascular outcomes. The study is published in the European Heart Journal. ...> Full Article


Scientists discover mechanism of crude oil heart toxicity (3/2/2014)

Scientists discover mechanism of crude oil heart toxicityWhile studying the impact of the 2010 Deepwater Horizon oil spill on tuna, a research team led by Barbara Block, a professor of marine sciences, discovered that crude oil interrupts a molecular pathway that allows fish heart cells to beat effectively. The components of the pathway are present in the hearts of most animals, including humans. ...> Full Article


Small elliptical exercise device may promote activity while sitting (2/2/2014)

Small elliptical exercise device may promote activity while sittingPeople may be able to keep the weight off by using a compact elliptical device while sitting at a desk or watching TV, according to Penn State College of Medicine researchers. ...> Full Article


Coffee may help perk up your blood vessels (12/3/2013)

A small study showed that a cup of coffee improved small blood vessel function. The study takes us one step closer to understanding how coffee might benefit cardiovascular health. ...> Full Article


First-ever study reveals smell of sweat may alter how women are judged (10/23/2013)

Today, a new study from P&G Beauty, the makers of SecretTM deodorants, and lead investigator Pamela Dalton, Ph.D., M.P.H., member of the Monell Chemical Senses Center, confirms for the first time that the smell of stress sweat does, in fact, significantly alter how women are perceived by both males and females. Results of the study, published on Oct. 9, 2013, in PLOS ONE, indicate that the odor from stress-related sweat specifically impacts social judgments of one's confidence, trustworthiness and competence. ...> Full Article


Running a marathon can be bad for the heart, especially in less prepared runners, say experts (10/16/2013)

Investigators who studied a group of recreational marathon runners have established that strenuous exercise such as running a marathon can damage the heart muscle. Although they found the effect is temporary and reversible, they warn that these effects are more widespread in less fit distance runners and that recreational distance runners should prepare properly before marathons. Their findings are published in the Oct. issue of the Canadian Journal of Cardiology. ...> Full Article


Making eye contact doesn't always help your cause (10/9/2013)

New research shows that making eye contact, long considered an effective way of bringing someone to your point of view, may actually make people more resistant to persuasion, especially when they already disagree. ...> Full Article


Melody modulates choir members' heart rate (7/26/2013)

When people sing in a choir their heart beats are synchronised, so that the pulse of choir members tends to increase and decrease in unison. This has been shown by a study researchers from the Sahlgrenska Academy at University of Gothenburg that examined the health effects for choir members. The study is published in the open-access journal Frontiers in Neuroscience. ...> Full Article


A 20-minute bout of yoga stimulates brain function immediately after (6/18/2013)

A 20-minute bout of yoga stimulates brain function immediately afterResearchers report that a single, 20-minute session of Hatha yoga significantly improved participants' speed and accuracy on tests of working memory and inhibitory control, two measures of brain function associated with the ability to maintain focus and take in, retain and use new information. Participants performed significantly better immediately after the yoga practice than after moderate to vigorous aerobic exercise for the same amount of time. ...> Full Article


When angry, talk: Describing emotional situations alters heart rate, cardiac output (6/11/2013)

The act of describing a feeling such as anger may have a significant impact on the body's physiological response to the situation that elicits the emotion, according to research published June 5 in the open-access journal PLOS ONE by Karim Kassam from Carnegie Mellon University and Wendy Mendes from the University of California, San Francisco. ...> Full Article


Fish oil may help the heart beat mental stress (5/30/2013)

Why is fish oil good for the heart? A new study suggests that this omega 3 fatty acid-rich nutrient could blunt some cardiovascular effects of mental stress. ...> Full Article


Short-term exposure to essential oils lowers blood pressure and heart rate (12/3/2012)

The scents which permeate our health spas from aromatic essential oils may provide more benefits than just a sense of rest and well-being. ...> Full Article

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Do caffeine's effects differ with or without sugar?Do caffeine's effects differ with or without sugar?

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Is that Ginkgo biloba supplement really what you think it is?

Body's cold 'sensor' could hold key for frostbite and hypothermia treatments

Controlling obesity with potato extract

Toxic fruits hold the key to reproductive successToxic fruits hold the key to reproductive success

New therapy holds promise for restoring visionNew therapy holds promise for restoring vision

Macrophages chase neutrophils away from wounds to resolve inflammationMacrophages chase neutrophils away from wounds to resolve inflammation

Don't worry, be happy; just go to bed earlier

Don't worry, be happy: Just go to bed earlier

3-D compass in the brain

NIH-funded study is decoding blue light's mysterious ability to alter body's natural clockNIH-funded study is decoding blue light's mysterious ability to alter body's natural clock

Vitamin supplement successfully prevents noise-induced hearing loss



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