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Health And Beauty Tips
3 Holiday Makeup Looks
Adverse food reactions
Allergic rhinitis
Anaphylactic shock adults
At the scene of an accident
Avoiding allergens
Babies failing to thrive
Back injuries
Children and young people
ColdMediDangerous Infants
Colds and flu
Disguise a Double Chin
Drinking Coffee Helps Fight Alzheimer's,
Drug allergy
Eye Allergies
Finding the time
Foods th8Lower Cholesterol
Grass-Fed Beef The Natural Alternative
Head Injury
Heart Attack
Help for Tired Eyes
Hepatitis C
How much exercise do I need
Injuries and treatment
Look Younger by Morning
Lung cancer cases
Maintaining  target weight
Makeup Tricks 4 Dark Skin
Match Makeup 2 Your Outfit
Moving on
Opening airway
Perfect Lipstick
Fixes CommonHair Problem
Recovery position
Risky Business for Teens
Sensible slimming
Sleep Disorders
Summer hay fever
Supporting someone with cancer
Tips to give up smoking
Venom allergies
What's the right activity 4me
Why get fit
More Tips










                                                      Health And Beauty



Lung cancer cases

Up to 20 percent of women who develop lung cancer have never
smoked, U.S. researchers found in a study that suggests secondhand
smoke may be to blame.

A survey of a million people in the United States and Sweden shows
that just 8 percent of men who get lung cancer are nonsmokers.

"I have a lot of patients who have never smoked," said Dr. Heather
Wakelee of Stanford University in California, who led the study.

"And because of the stigma, people are embarrassed to speak out
about their disease. They feel like as soon as they say they have
lung cancer, everyone judges them."

She said it is not clear why women may be more likely to get lung
cancer even if they have never smoked.

"There is a lot of controversy over whether women are more
susceptible to smoking at all, whether direct or secondhand smoke,
" Wakelee said in a telephone interview.

Writing in Friday's issue of the Journal of Clinical Oncology,
Wakelee and epidemiologist Ellen Chang said researchers tracked
the incidence of lung cancer in more than 1 million people aged
40 to 79. All had taken part in various studies of diet, lifestyle and
disease, some going back into the early 1970s.

Some groups were mostly white women, such as an ongoing nurse's
study, while others included ethnically diverse groups, Wakelee said.

Among women who never smoked, the lung cancer incidence rate
ranged from 14.4 per 100,000 women per year to 20.8 cases per
100,000. In men, it ranged from 4.8 to 13.7 per 100,000. Rates
were about 10 to 30 times higher in smokers.

This would translate to about 20 percent of female lung cancer
patients having been nonsmokers and 8 percent of males, they said.
That compares with American Cancer Society estimates of about
10 percent to 15 percent for all lung cancer patients.

"That estimate has been thrown about without any hard data to
support it. This data sort of supports it," Wakelee said.

Chang said that because more men smoke than women, women may
be more likely to be exposed to secondhand smoke, even when they
are classified as never-smokers.

"We know that secondhand smoke does increase the risk of lung
cancer so it's likely that a lot of these cases we observe are
attributable to that," she said in a statement.

Smoking is by far the leading cause of lung cancer, but radon,
asbestos, chromium and arsenic are also associated with lung cancer.

The American Cancer Society projects that lung cancer will be
diagnosed in 213,000 Americans in 2007 and kill 160,000.

Weill Cornell Medical College last week said it was starting a lung
cancer study of 5,000 people working in industries with a high
degree of secondhand smoke exposure, such as flight attendants,
restaurant workers and entertainers.

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