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Results for search "Caffeine / Coffee / Tea".

Health News Results - 35

Could Your Morning Coffee Be a Weight-Loss Tool?

If losing weight sits high atop your New Year's resolution list, you might want to reach for a piping-hot cup of joe.

Why? New research suggests that just 4 cups of coffee a day can actually help shed some body fat.

The finding follows a 24-week investigation that tracked coffee's impact among 126 overweight men and women in Singapore.

Investigators initially set o...

Caffeine, Cough Medicines: What's in the Average Blood Transfusion

If you ever get a blood transfusion, that supposedly pure blood is likely to contain something more: caffeine, cough medicine and an anti-anxiety drug, a new study suggests.

Oregon State University (OSU) researchers analyzed 18 batches of human blood serum pooled from multiple donors, and every batch tested positive for caffeine.

In addition, 13 batches contained the anti-an...

Most Americans Fear Cancer, but Feel Powerless to Prevent It: Survey

While 6 in 10 Americans say they're concerned about developing cancer, only 1 in 4 make cancer prevention part of their daily lives, a new online survey reveals.

Roughly a quarter think there's nothing they can do to prevent it. But the American Society of Clinical Oncology (ASCO) says as many of half of cancer cases are preventable.

"Tobacco use, diet, sun exposure, alcohol...

Could More Coffee Bring a Healthier Microbiome?

Debating whether or not you should have that second cup of coffee?

New research that links caffeine consumption to a healthy gut microbiome -- the trillions of microorganisms that live in your digestive tract and affect your overall health-- may prompt you to pour generously.

In recent years, numerous studies have demonstrated associations between coffee consumption and lowe...

More TV, Smartphone Time Means More Sugary Drinks for Teens

Teens who stay glued to screens, be it televisions or electronic devices, are not only getting less exercise -- they're more likely to down too many sugary, caffeinated drinks, according to a new study.

Researchers analyzed data from more than 32,400 U.S. students in grades 8 and 10. They found that more than 27% exceeded recommended sugar intake and 21% exceeded recommended c...

Drink Coffee, Avoid Gallstones?

To the many ways in which coffee seems to confer unexpected health benefits, add a lowered risk of painful gallstones.

After tracking nearly 105,000 Danes for an average of eight years, researchers found that those who downed more than six cups per day of the world's most popular beverage saw their gallstone risk drop by 23%.

"High coffee intake is associated with a lowe...

Go Easy on Caffeine During Pregnancy, for the Sake of Your Baby's Liver

No matter how tired you get during your pregnancy, a new animal study suggests that countering your fatigue with too much coffee might harm your baby.

Female rats that were given caffeine during pregnancy had offspring with lower birth weights, altered growth and stress hormone levels, and impaired liver development.

How much coffee is too much?

The findings sugges...

The Latest on Caffeine Limits

It seems as though every day brings yet another study on the effects of caffeine or coffee in particular. Researchers have looked at its effects on almost every aspect of health, from overall mortality to the heart, bones, kidneys, liver, fertility and more.

Sometimes, separate studies on the same aspect of caffeine consumption have contradictory findings, creating confusion. So, what...

Is Caffeine Fueling Your Anxieties?

If you struggle with anxiety, you might want to skip that second cup of coffee, new research suggests.

For some people, caffeine may help with concentration and provide an energy boost, but it can cause problems for those with general anxiety disorder, said Dr. Julie Radico, a clinical psychologist with Penn State Health.

"Caffeine is not the enemy," she said in a university...

Is Green Tea a Fad or a Real Health Boost?

Green tea is a popular health trend, with many people sipping it in hopes of deriving benefits from the brew.

There's nothing wrong with that, dietitians say -- green tea is a healthy drink loaded with antioxidants. But the jury's still out on many of its purported health benefits.

"Clinical trials related to green tea are still in their early stages," said Nancy Farrell All...

Caffeine, Nicotine Withdrawal Can Cause Problems in the ICU: Study

Sudden withdrawal from coffee and cigarettes can trigger symptoms that mimic serious disease, leading to unnecessary tests in hospital intensive care units, a new review concludes.

"Nicotine and caffeine are some of the most commonly used and highly addictive substances in modern society, but they are often overlooked as a potential source of significant withdrawal symptoms when abrup...

Even 25 Cups of Coffee a Day May Be OK for Your Arteries: Study

Coffee lovers can take comfort in a new finding that shows their caffeine habit won't hurt their arteries.

In fact, British researchers said drinking a lot of coffee -- even up to 25 cups a day -- doesn't appear to make your arteries stiff.

The investigators noted that reports on coffee have been conflicting and confusing, and they hope their study will put these rep...

How Much Coffee Is Too Much?

From cappuccinos to cold brew, coffee is a morning must for many Americans, but is it healthy and how much is too much?

A University of South Australia study suggests a couple of cups to start your day probably won't hurt -- and may even be good for you. But drinking six or more cups of coffee a day can increase your risk of heart disease by up to 22%, the researchers found.

...

Energy Drinks May Take a Toll on the Heart

Here's more evidence that energy drinks like Red Bull and Monster are not risk-free. Researchers find they may boost blood pressure and the odds of electrical problems in the heart.

And they say caffeine isn't the culprit.

"Energy drinks are readily accessible and commonly consumed by a large number of teens and young adults, including college students. Understanding how the...

Love the Smell of a Cup o' Joe? Here's What That Reveals About You

Java junkies can sniff out even tiny amounts of coffee, and the more they drink, the better they can smell it, British researchers say.

It's a discovery with powerful implications for treating people addicted to substances with a distinct smell.

"The higher the caffeine use, the quicker a person recognized the odor of coffee," said study leader Lorenzo Stafford. He is an ol...

Young Adults Flocking to Energy Drinks

More young Americans than ever are turning to caffeinated energy drinks, and the trend is cause for concern, researchers say.

In a new study, investigators found a significant increase in energy drink consumption among teens, and young and middle-aged adults over the past decade.

Compared to people who didn't consume the beverages, those who did use energy drinks had much hi...

Coffee on Your Mind? Even Thinking About It 'Arouses' the Brain

Need a quick pick-me-up? Just thinking about a cup of joe can give you a mental boost, researchers say.

"Coffee is one of the most popular beverages and a lot is known about its physical effects," said study co-author Sam Maglio, associate professor of management at the UNi. "Much less is known about its psychological meaning -- in other words, how even seeing reminders of it can infl...

How Much Coffee Is OK?

It seems as though every day brings a new study on the merits -- or the risks -- of coffee. So what's the real scoop?

If you like drinking coffee simply for the pleasure of it, Harvard University research has found that sipping up to six cups a day is probably safe. Remember: Those are 8-ounce cups with about 100 milligrams of caffeine and little added milk and sweetener. A cafe drink...

Everyday 'Triggers' May Bring on A-Fib Episodes, Study Finds

Many older Americans are diagnosed with the irregular heartbeat known as atrial fibrillation, or "a-fib." Now, research suggests that everyday foods, drinks or activities might trigger episodes of the stroke-linked condition.

The bad news: Triggers include coffee, alcohol and sleepless nights. The good news: These factors can all be avoided or reduced, according to researchers at the...

Hydrate Right, Your Kidneys Will Thank You

Downing the wrong type of drink when you exercise could put you at risk of kidney disease, a new study warns.

Specifically, the threat is from having sugary, caffeinated soft drinks during exertion in a hot environment, according to researchers at the University at Buffalo in New York.

The small study included 12 healthy adults who did long stretches of exercise in a laborat...

Like Coffee? You May Be Genetically Wired That Way

Coffee's bitter taste shouldn't be a selling point. But a genetic variant explains why so many people love the brew, a new study suggests.

Bitterness evolved as a natural warning system to protect people from harmful substances. That means they should want to spit out coffee, the researchers said.

But their study of more than 400,000 people in the United Kingdom found that t...

A Single Energy Drink Might Harm Blood Vessels: Study

Caffeine-laden energy drinks are popular, but they might make your blood vessels less efficient, a small study suggests.

These drinks -- sold as Monster and Red Bull, to name two -- have been linked to heart, nerve and stomach problems, researchers say.

"A lot of young kids use energy drinks when they exercise, a time when you need your arterial function to be at its top,"...

Don't Want Rosacea? Drinking Coffee Might Help

Contrary to popular belief, new research suggests that drinking coffee might be a good prescription for avoiding the unsightly skin condition known as rosacea.

The finding is based on an analysis of rosacea risk and dietary habits among nearly 83,000 women who were enrolled in a national nurses' study between 1991 and 2005.

And it appears to challenge longstanding wisdom tha...

AHA: Is Coffee Good for You?

At just a couple of calories a cup, good old black coffee packs quite a punch. It wakes you up, boosts your metabolic rate and decreases the risk of some diseases.

Not that habitual coffee drinkers need convincing, but evidence of its health benefits stacks up quickly:

  • It gives you energy and may help you lose weight and sharpen your mental focus, thanks to the magi...

Coffee May Have Another Perk for Kidney Patients

Could that morning cup of joe bring a health boost to people battling kidney disease?

According to new research involving nearly 5,000 people with chronic kidney disease, a hike in daily caffeine intake appeared to lower their odds of an early death.

The benefit remained "even after considering other important factors such as age, gender, race, smoking, other diseases and di...

Caffeine Not a Dieter's Friend

If you're trying to control your weight, don't look to caffeine for help.

Caffeine is not an effective appetite suppressant or weight-loss aid, researchers report in a small, new study.

The study involved 50 healthy adults, aged 18 to 50. The researchers found that after the volunteers drank some juice with a small amount of caffeine added (equivalent to caffeine in about 4 ...

Can Coffee Extend Your Life?

Having a morning cup of java -- and another and another -- might prolong your life, a new study suggests.

In fact, drinking lots of coffee was associated with a lower risk of early death, including among people who downed eight or more cups per day.

And it's not the caffeine. To reap the benefit, it doesn't matter if your coffee is decaf or instant or caffeinated, the resea...

Coffee May Do Your Liver Good

More good news for coffee lovers: Having three or more cups of "joe" each day may help ward off serious liver ailments, new research suggests.

The 26-year study of more than 14,000 Americans couldn't prove cause and effect. However, participants who drank three-plus cups of coffee a day were 21 percent less likely to find themselves hospitalized with liver-related illnesses, the rese...

AHA: What Does the Research Say About Coffee and Your Health?

Coffee. Cup of joe. Java. No matter what you call it, millions of people worldwide wake up and fuel their day with it. And though consumers might be jittery about the recent court battle in California over cancer warnings, experts say most of the science actually indicates coffee could have health benefits.

"The overall picture is quite clear," said Dr. Frank Hu, chair of nutrition a...

Could Caffeine During Pregnancy Spur Weight Gain in Kids?

There's new evidence that even moderate amounts of caffeine consumed by a mom-to-be might affect her child's weight years later.

The overall effect was small -- an average of an extra pound by age 8. But children of women who consumed the most caffeine during pregnancy were 66 percent more likely to be slightly overweight, researchers found.

"The results support the current ...

Coffee Safe for Many With Abnormal Heart Rhythms: Review

Caffeine can send the heart racing, but for some people coffee may help prevent abnormal heartbeats, Australian researchers report.

Many doctors advise patients with abnormal heart rhythms ("arrhythmias") to avoid caffeine. But, for most heart patients, coffee and tea are safe and may sometimes reduce the frequency of arrhythmias, the researchers said.

"Although coffee incr...

FDA Cracks Down on Caffeine-Loaded Supplements

The U.S. Food and Drug Administration announced Friday that it has issued tough new restrictions on the sale of dietary supplements that contain dangerously high amounts of caffeine.

Supplements that contain pure or highly concentrated caffeine in powder or liquid forms are no longer permitted to be sold in bulk quantities directly to consumers, the agency said.

The new rest...

Could Coffee Perk Up Your Heart Health?

Besides staying alert, coffee lovers who drink more than three cups of java a day may lower their risk for clogged arteries, a new Brazilian study suggests.

Scientists surveyed more than 4,400 residents of Sao Paulo about their coffee-drinking habits, and correlated them with coronary artery calcium (CAC) readings. CAC scans look for signs of calcium buildup in the heart's arteries, w...

Coffee May Have Bigger Effect on Your Body Than Thought: Study

Coffee has been tied to many health benefits. Now, a small study suggests a daily java habit may affect the body's metabolism more extensively than thought.

The study, of 47 adults, found that heavy coffee consumption -- four to eight cups a day -- altered blood levels of more than 100 metabolites. That refers to a broad range of chemicals that change after eating or drinking.

...

Hey Kids, Just Say No to Energy Drinks

Highly caffeinated energy drinks aren't safe for children and teens, and should not be marketed to them, a leading sports medicine organization warns.

The American College of Sports Medicine (ACSM) on Friday released an official statement about the beverages.

"Energy drinks are extremely popular, and concerns about their consumption are coming from every sector of society, w...

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