ALLERGY, RESPIRATORY
Combating Myths About Seasonal Allergies
Traffic, Dust Linked to Asthma in Kids
'Safe' Ozone Levels May Not Be for Some
ALTERNATIVE MEDICINE
Should Your Child Be Seeing a Chiropractor?
Hypnosis Cuts Hot Flashes for Breast Cancer Survivors
Tai Chi: An Ideal Exercise for Many People with Diabetes
ANIMAL CARE
Separation Anxiety, Canine-Style
Safe Toys for Dogs
Rest Easy. When It Comes to Swine Flu, Your Pet Is Safe
BONES & JOINTS
Body Fat, Muscle Distribution Linked to RA Disability
Autumn Sees More Women With Bunion Problems
Scientists ID New Genes Tied to Crohn's Disease
CANCER
Steady Weight Gain Boosts Late-Life Breast Cancer Risk
Breast Self-Exam Rates Go Up With Counseling
Vitamin D Good for Breast Cancer Patients
CAREGIVING
With Age Comes Greater Risk of Hypothermia
U.S. Mental Health Spending Rises, But Many Still Left Out
Study Links Pesticides to Birth Defects
CIRCULATORY SYSTEM
Support Network May Play Role in Benefits of Drinking
A Brisk Pace May Keep Stroke at Bay
Exercise Extends Life of Kidney Patients
COSMETIC
New Genetic Links to Baldness Discovered
The Acne Drug Accutane More Than Doubles Depression Risk
Study Evaluates Laser Therapies for Hair Removal
DENTAL, ORAL
Gum Disease Might Boost Cancer Risk
Gum Disease Treatment Doesn't Cut Preterm Birth Risk
Sports Drinks May Be Tough on Teeth
DIABETES
Americans Consuming More Sugary Beverages
Spices, Herbs Boost Health for Diabetics
Diabetes Linked to Cognitive Problems
DIET, NUTRITION
Common Antioxidant Might Slow Parkinson's
Diet, Exercise May Slow Kidney Disease Progression
More Calcium And Dairy Products in Childhood Could Mean Longer Life
DISABILITIES
Review Finds Marijuana May Help MS Patients
Could Your Cell Phone Help Shield You From Alzheimer's?
ENVIRONMENTAL HEALTH
Cleaning House May Be Risky for Women With Asthma
Agent Orange Exposure Tied to Prostate Cancer Return
Controversial Chemical Lingers Longer in the Body
EYE CARE, VISION
Omega-3 Foods May Lower Eye Disease Risk
Just Like Skin, Eyes Can 'Burn' in Strong Sun
Guard Kids' Eyes Against Long-Term Sun Damage
FITNESS
Bursts of Vigorous Activity Appear to Be a 'Stress-Buffer'
Strenuous Daily Workout May Keep Cancer at Bay
Antioxidants Blunt Exercise Benefit, Study Shows
GASTROINTESTINAL PROBLEMS
New Guidelines Issued for Management of IBS
Olive Oil May Protect Against Bowel Disease
Traditional Nonsurgical GERD Treatments Not Impressive
GENERAL HEALTH
Eating Well And Keeping Active As You Grow Old Will Help You Stay Sharp
Cocaine Spurs Long-Term Change in Brain Chemistry
Play Creatively as a Kid, Be a Healthier Adult
HEAD & NECK
Zen May Thicken Brain, Thwart Pain
Many Children Will Outgrow Headaches
Ski Helmets Encouraged for All
HEALTH & TECHNOLOGY
Save Your Aging Brain, Try Surfing The Web
E-Mailing Your Way to Healthier Habits
Imaging Sheds Light on How Acupuncture Works
HEARING
Summer Sounds Can Lead to Hearing Loss
Noise Hurts Men's Hearing More, Study Shows
HEART & CARDIOVASCULAR
Coffee Is Generally Heart-Friendly
Potassium-Rich Foods May Cut Stroke, Heart Disease Risk
Using Light Therapy to Silence Harmful Brain Activity
INFECTIOUS DISEASE
Surgical Masks Could Prevent Flu, Maybe
Hand Washing 10 Times a Day May Help Keep Flu Away
Swine Flu Loves a Crowd
INFERTILITY
Obesity May Affect Fertility in Young Womene
KID'S HEALTH
Babies Cared For In Others Homes Might Become Heavy Toddlers
Don't Leave Your Kids In The Car !
More Calcium And Dairy Products in Childhood Could Mean Longer Life
MEN'S HEALTH
Lots of Sex May Prevent Erectile Dysfunction
Low Vitamin D Levels May Boost Men's Heart Attack Risk
The Dark Side of Vegetarianism
MENTAL HEALTH
Eight Spiritual Universal Principles in the Art of Practice
Environmental Chemicals May Affect Male Reproduction
Daily dose of beet juice promotes brain health in older adults
PAIN
Alleviating Rheumatoid Arthritis
'Cell Phone Elbow' -- A New Ill for the Wired Age
Acupuncture, Real or Fake, Eases Back Pain
PHYSICAL THERAPY
PREGNANCY
Pregnant Women Exposed To Certain Pollutants Could Lower Childs IQ
Calcium Supplements Cut Blood Lead Levels During Pregnancy
Prenatal Stress May Boost Baby's Asthma Risk
SENIORS
Seniors Who Volunteer May Live Longer
Older People at Greater Risk of Swine Flu Death
Protein Deposits May Show Up Before Memory Problems Occur, Study Says
SEXUAL HEALTH
SLEEP DISORDERS
Lose Weight, Sleep Apnea May Improve
6 to 8 Hours of Shut-Eye Is Optimal for Health
Meditation May Help Put Primary Insomnia to Bed
WOMEN'S HEALTH
Soy May Not Lead to Denser Breasts
Exercise During Pregnancy Keeps Newborn Size Normal
Supportive Weigh-In Program Keeps Pounds Off
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Iced Teas Pose High Risk of Kidney Stones

FRIDAY, July 25 (HealthDay News) -- Men over 40 may want to avoid iced tea and start hitting the lemonade if they wish to lower their risk of kidney stones, according to experts.

Kidney stones, crystals that develop in the kidneys or the tubes that carry urine from the kidney to the bladder, affect 10 percent of the U.S. population, and men run a four times greater risk than women of developing them. The chance of forming kidney stones rises steeply after the age of 40.

Oxalate, a key chemical in the formation of kidney stones, comes in high concentrations in iced tea.

"For many people, iced tea is potentially one of the worst things they can drink," John Milner, an instructor in the department of urology at Loyola University Chicago Stritch School of Medicine, said in a news release. "For people who have a tendency to form kidney stones, it's definitely one of the worst things you can drink."

The failure to stay hydrated is a common cause of kidney stones. Summertime heat and humidity, which causes excessively sweating and dehydration, combined with an marked increase in iced tea consumption in the United States, raises the risk of kidney stones during this time of year.

The Tea Association of the U.S.A. reports that Americans consume almost 1.91 billon gallons of iced teas a year, a dramatic rise given the belief that the beverage is healthier than other alternatives such as soda and beer.

Milner said drinking water is the best way to stay properly hydrated. If one is prone to developing kidney stones, though, flavoring water heavily with lemon or drinking lemonade may help.

"Lemons are very high in citrates, which inhibit the growth of kidney stones," Milner said. "Lemonade, not the powdered variety that uses artificial flavoring, actually slows the development of kidney stones for those who are prone to the development of kidney stones."

Other foods containing high concentrations of oxalates that people prone to kidney stones should avoid include spinach, chocolate, rhubarb and nuts. Going light on salt consumption, reducing the amount of meat consumed, drinking several glasses a water a day, and eating foods high in calcium, which counteract any oxalates the body absorbs, also helps.

More information

The National Kidney and Urologic Diseases Information Clearinghouse has more about kidney stones.



-- Kevin McKeever



SOURCE: Loyola University Health System, news release, July 22, 2008

Last Updated: July 25, 2008

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