Marijuana tied to
precancerous lung changes
NEW YORK, July 14: Smoking marijuana can cause
changes in lung tissue that may promote cancer
growth, according to a review of decades of
research on marijuana smoking and lung cancer.
Still,
it is not possible to directly link pot use to
lung cancer based on existing evidence.
More
than 40 per cent of Americans 12 and older have
tried marijuana at least once, Dr Reena Mehra of
Case Western Reserve University in Cleveland,
Ohio and her colleagues point out.
''Given
the widespread use of marijuana, its use for what
are believed to be medicinal purposes, and the
increasing abuse and dependence on this
substance, it is important to examine potential
adverse clinical consequences,'' they write in
the Archives of Internal Medicine.
To
investigate whether marijuana smoking might lead
to precancerous changes in the lungs or lung
cancer, Mehra and her team reviewed 19 studies of
the topic.
Analyses
of sputum and lung tissue performed in some of
these studies found more cancer-promoting changes
in pot smokers than in cigarette smokers or
non-smokers, including oxidative stress,
dysfunction of tumor-fighting cells, changes in
tissue structure and DNA alterations, the
researchers report.
However,
none of the studies they analyzed found evidence
that marijuana smoking actually caused lung
cancer, after factoring in the effects of tobacco
use.
''We
must conclude that no convincing evidence exists
for an association between marijuana smoking and
lung cancer based on existing data,'' Mehra and
her team write.
Nevertheless,
they add, the precancerous changes seen in
studies included in their analysis -- as well as
the fact thatmarijuana smokers generally inhale
more deeply and hold smoke in their lungs longer
than cigarette smokers, and that marijuana is
smoked without a filter -- do suggest that
smoking pot could indeed boost lung cancer risk.
It is known, they add, that marijuana smoking
deposits more tar in the lungs than cigarette
smoking does.
The
failure to find a marijuana-lung cancer link may
have been due to methodological flaws in existing
research, rather than the absence of such a link,
the researchers say. Doctors should advise their
patients that marijuana does indeed have
potential adverse effects, they conclude,
including causing precancerous changes in the
lungs.
(AGENCIES)
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Lightning strikes
kill 82 in China
BEIJING,
July 14: Lightning strikes killed 82 people
across China in June, a Chinese newspaper
reported today after several nights of violent
storms in the capital, Beijing.
The death toll was
recorded across 20 provinces, with 22 people
killed in the eastern province of Jiangsu alone,
the International Business Daily said.
It said the death
toll marked an increase on June 2005, but did got
give figures.
''The main reasons
for the deaths are the lack of lightning
avoidance measures, equipment and knowledge,''
the International Business Daily said. It did not
elaborate.
Heavy summer
storms have battered wide swaths of China this
year, with meteorological disasters killing at
least 349 people and causing economic losses of
about 2.53 billion dollars in June, Xinhua
reported.
The capital has
been hit by severe electrical storms for
successive nights, cutting power to several
hundred households.
A tropical storm
which caused several deaths in the Philippines
swept across northern Taiwan overnight, causing
mudslides, and was bearing down on the coastal
Chinese province of Fujian where thousands have
been evacuated in its path.
But Tropical Storm
Bilis was never upgraded into a typhoon and is
expected to weaken once it makes landfall.
The Taiwan port of
Kaohsiung, shut down before the storm hit, has
resumed operations,(AGENCIES)
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US's
Rice urges Israel to exercise restraint
HEILIGENDAMM,
GERMANY, July 14: US Secretary of
State Condoleezza Rice urged Israel to
exercise restraint in its attacks against
Lebanese targets and demanded Syria press
Hizbollah guerrillas to stop attacking
Israel.
''It is
extremely important that Israel exercise
restraint in its acts of self defence,''
she told reporters travelling with US
President George W Bush in Germany
yesterday.
Her
comments, at a hastily arranged briefing,
reflected a sharper focus on Israel than
statements from Bush earlier, who said
Israel has a right to defend itself with
its attacks in Lebanon but that it should
not weaken the Lebanese government.
Rice said
the message was being sent through
numerous diplomatic channels and added:
''I think they understand the need to
exercise restraint.''
Israel
struck Beirut airport and military
airbases and blockaded Lebanese ports on
Thursday, intensifying reprisals that
have killed 55 civilians in Lebanon since
Hizbollah captured two Israeli soldiers a
day earlier.
Asked in a
CNN interview about Rice's call, Israel's
ambassador to the US said Israel had
exercised restraint since its 2000
withdrawal from Lebanon and believed its
military offensive was now the right way
to deal with Hizbollah.
Ambassador
Daniel Ayalon said: ''I think they
(Hizbollah) misinterpreted our restraint
for the last six years.''
''If we do
not want to see further escalation,
deterioration, violence, this is the time
to stop Hizbollah and what we are doing
is the most effective (way) to stop
them.''
Bush's
national security adviser, Stephen
Hadley, said he and Rice had spoken to
Israeli officials and received assurances
Israel's focus was on Hizbollah, not the
Lebanese government.
He added
that the officials said ''the actions
they are going to take are going to deal
with Hizbollah, will be done in such a
way to try and minimize collateral and
civilian casualties, recognizing this is
difficult because Hizbollah has put
targets in civilian areas''.
Rice said
Syria had been ''sheltering the people
who have been perpetrating these acts''
against Israel, including launching
rocket attacks into northern Israel and
abducting Israeli soldiers.
''Syria
needs to act responsibly and stop the use
of its territory for these kinds of
activities. They need to bring all
pressure on those that it is harbouring
to stop this and to return these soldiers
and to allow the situation to be
de-escalated,'' Rice said.
She said
the United States supported a
three-person UN team being sent to the
region to try to defuse the crisis on the
instigation of UN Secretary-General Kofi
Annan.
Asked if
there was a danger of the area slipping
into war, Rice said: ''I think it doesn't
help to speculate about kind of
apocalyptic scenarios. What we have to do
is work day by day, hour by hour. That's
what we're doing, and that's what a lot
of others are doing.''(AGENCIES)
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Bangladesh
wants remains of 1971 war hero buried in
India
DHAKA, July 14: Bangladesh
authorities have asked officials to make
arrangements to bring back the remains of
one of the country's top war heroes,
Hamidur Rahman, from India, where he was
buried after the 1971 liberation war.
The
parliamentary committee on Liberation War
Affairs Ministry gave the orders
yesterday just weeks after the remains of
another war hero, 'Bir Shreshtho' Flight
Lieutenant Matiur Rahman, was brought
back from Pakistan after 35 years, 'The
New Age' newspaper reported today.
"The
remains of Hamidur Rahman should be
brought home too within the shortest
possible time, and we have asked the
ministry to take measures in this
regard," Salauddin Ahmed, the
committee chairman, told the daily.
Hamidur
Rahman was killed in a combat with the
Pakistani Army in the bordering Ambassa
area of Tripura on October 28, 1971 and
was buried there.
Bir
Shrestho, the highest gallantry award in
Bangladesh, has been conferred on seven
war heroes. All of them, except Rahman,
are buried in the country.
Bangladesh,
formerly East Pakistan, became
independent in 1971 after a nine-month
bloody war. (PTI)
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BOJ
raises interest rate for the first time
in almost 6 years
TOKYO, July 14: The Bank of Japan
raised interest rates for the first time
in almost six years as a decade-long bout
of deflation ends and the economy heads
toward its longest postwar expansion.
Governor
Toshihiko Fukui and his policy-board
colleagues increased the key overnight
rate between banks to 0.25 percent from
almost zero, the bank said today. The
decision was unanimous. The US Federal
Reserve increased its benchmark 17 times
since 2004.
The end to
the zero-rate policy is a recognition of
plans by Japanese companies such as
Toshiba Corp. To invest at the fastest
pace in 16 years, after closing factories
and slashing debt built up during the
bubble economy of the 1980s. The yen fell
earlier today on speculation Fukui will
signal borrowing costs will remain low to
protect an economy that has had just
seven consecutive months of inflation.
Sixteen
central banks raised borrowing costs in
June as record oil and metal prices
fueled inflation. The U.S. Federal
Reserve increased rates to 5.25 percent
from 1 percent in June 2004. The European
Central Bank lifted its key rate to 2.75
percent, its third increase since
December.
Japan's
economy expanded for 53 months through
the end of June, the longest since 57
months of growth from 1965 to 1970. The
government forecasts the economy will
expand 2.1 percent in the year ending
March 31, 2007.
``It's a
welcome sign that Japan is on the road to
normality. Japan has come out of its
deflation trip,'' said chief European
economist at Deutsche Bank AG in London.
``The Bank of Japan's move is a sign that
this is clearly the case.'' (AGENCIES)
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New
Orleans police say caught killer of five
teens
NEW ORLEANS, July
14: New Orleans police charged a
19-year-old man with the gun slaying last
month of five teens that sparked a panic
about rising crime in the aftermath of
Hurricane Katrina.
Michael
Anderson killed five teens who were
driving a sport utility vehicle through a
central section of the city shortly
before dawn on June 17, police said. Two
managed to exit the truck but none
escaped the scene, found littered with
bullet casings.
''They
were in the car and I can tell you that
the driver was the first person that was
shot,'' said Police Chief Warren Riley,
announcing police arrested Anderson
yesterday after a tip from residents.
''He is a
career criminal,'' Riley added. ''We do
have a witness who is very concerned,''
he said.
Anderson,
dressed in a sleeveless white T-shirt,
was taken to jail by police through a
gauntlet of reporters and cameras. He did
not respond to questions.
The
slaying was one of the worst in the
history of the violent city and set off a
firestorm of protests.
Hurricane
Katrina hit on August 29, flooding 80 per
cent of the city, killing more than
1,500, and forcing almost all residents
to evacuate -- including most of the
criminals.
Crime has
risen this year, after an initial
fall-off. There have been 62 murders to
date, versus 139 last year, police said.
That is a drop in absolute terms, but
only about half of the city's population
has returned.
National
Guard troops arrived to back up the
hard-pressed police days after the
multiple slaying and have been ordered to
stay for the summer, patrolling largely
abandoned sections of the city hurt most
by the storm so that police can focus on
trouble spots.
Riley said
that Anderson and the dead teens may have
had an argument that night or been
involved in an earlier drug-related
incident. ''We're not sure if they really
knew each other that well,'' he said.
Drug
sellers returning to abandoned sections
of New Orleans moved into more populated
areas, setting off turf wars, Riley said.
Four people were killed in a separate
incident north of the city in late June.
But turf wars are decreasing, Riley said,
while citizens are calling police more
often.
''Citizens
do not want the city to get to the
pre-Katrina type of crime and I think
people are standing up a little bit
more,'' he said.(AGENCIES)
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Leg
length linked to heart disease risk
NEW YORK, July 14: Having longer legs
may put you at lower risk of heart
disease, new findings show.
In an
analyses of data from 12,254 men and
women aged 44 to 65, Dr Kate Tilling of
the University of Bristol in the UK and
colleagues found a direct association
between leg length and intimal-medial
thickness (IMT), a measurement of the
thickness of blood vessel walls used to
detect the early stages of
atherosclerosis, or hardening of the
arteries.
The longer
a person's legs, they found, the thinner
their carotid artery walls were,
indicating less buildup of deposits
within these blood vessels and a lower
risk of heart disease and stroke.
Leg length
is strongly affected by early life
factors, Tilling and her team point out
in their article in the American Journal
of Epidemiology. For example, studies
have linked breastfeeding, high-energy
diets at age two and four years, and
affluent childhood circumstances to
longer leg length.
To
investigate whether leg length might also
be related to early signs of heart and
blood vessel disease -- which would in
turn support a connection between early
life factors and heart attack and stroke
risk -- the researchers compared leg
length to IMT of the carotid artery in a
group of men and women participating in a
large study of atherosclerosis risk. They
estimated leg length by subtracting a
person's height when seated from his or
her total height.
Leg length
was directly linked to IMT, the
researchers found, with the relationship
being strongest for black men and weakest
for black women.
The study
''provides some support for the
hypothesis that early life factors, such
as breastfeeding and childhood nutrition,
which are associated with greater
prepubertal linear growth, may reduce
cardiovascular disease risk,'' Tilling
and her colleagues conclude.(AGENCIES)
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Medical
visits tough for male sex abuse
victims
NEW YORK,
July 14: New
research suggests that men who
were sexually abused in childhood
struggle in their relations with
their doctor or other healthcare
provider, and many of these
healthcare providers do not
realise it.While both male and
female victims of childhood
sexual abuse have similar
anxieties and fears about seeing
a doctor, ''it's doubly difficult
for males to come forward after
they've been sexually abused,
because many men have difficulty
identifying and expressing their
feelings,'' Gerri Lasiuk, a PhD
student in the University of
Alberta Faculty of Nursing said
in a university statement.
''Given the
pervasive stereotype of men as
strong, in control, and always
able to defend themselves, even
health professionals have a hard
time recognising men as victims,
especially if their abuser was a
woman,'' said Lasiuk, who
co-authored a paper on this topic
in the journal Issues in Mental
Health Nursing.
Based on interviews
with 46 male childhood sexual
abuse victims, Lasiuk and
associates found that a variety
of healthcare providers including
nurses, physical therapists,
physicians, dentists,
chiropractors, dentists and
massage therapists, often
displayed insensitive behavior.
For example, ''many
male survivors felt that
healthcare providers are more
skeptical toward male claims of
abuse than they are of similar
female claims,'' Lasiuk said.
''When the abuser was a woman,
there was an attitude of, 'So
what? Isn't that every boy's
fantasy?'' Lasiuk added.
A boy who is abused
sexually, Lasiuk added, may
become confused about his sexual
identify as he matures.
He may not tell
anyone about the abuse for fear
of being labeled homosexual,
although recent high profile
disclosures of child sexual abuse
may make it easier for male
survivors to come forward, Lasiuk
said.
Male childhood
sexual abuse victims often worry
that they too will become abusers
themselves. ''The research is
clear that only a small
percentage of survivors go on to
be abusers,'' according to
Lasiuk.
It is estimated that
5 to 10 per cent of men and 20
per cent of women suffered sexual
abuse in childhood. (AGENCIES)
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G8
summit costs Russia nearly 400 million
dollars
MOSCOW, July 14: Preparations for a
summit of the Group of Eight leading
industrialised nations in St Petersburg
this weekend have cost Russia 10.7
billion roubles (398 million dollars), a
senior summit official has told a Russian
newspaper.
President
Vladimir Putin will host world leaders
including U S President George W. Bush in
his home town of St Petersburg, where he
grew up in an cramped flat and made his
first steps towards a career as a KGB
spy.
Leaders
will gather in the glittering Constantine
Palace, restored from ruins at Putin's
initiative. Russian security forces have
put a ring of steel around the palace
with anti-aircraft missile systems and
navy warships off shore.
''On all
the preparations for the summit about
10.7 billion roubles has been spent,''
Sergei Vyazalov, head of the summit's
secretariat, told the Rossiiskaya Gazeta
in an interview to be published today,
Interfax news agency reported.
''About
half of the funds were spent on
infrastructure in St Petersburg and a
little more than 5 billion roubles was
spent directly on the summit.''
Russia's
first chairmanship of the G8 is seen by
senior Kremlin officials as recognition
of its newly found status, following the
chaos that accompanied the fall of the
Soviet Union.
Business
sponsors contributed 160 million roubles
towards the cost of the summit, Vyazalov
said. He added that cost of security
during the summit would not be made
public. (AGENCIES)
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Rare
Shakespeare First Folio fetches $5.2 mln
LONDON, July 14: A rare mint
condition First Folio edition of William
Shakespeare's plays fetched 2.8 million
pounds at an auction.
The result
at Sotheby's yesterday in London was
towards the lower end of estimates of
between 2.5 and 3.5 million pounds, and
fell short of the saleroom record for a
comparable copy of 6.2 million dollars
made at Christie's, New York, in 2001.
The
auctioneer said the copy had been bought
by London book dealer Simon Finch Rare
Books, suggesting the folio will be sold
on again.
The seller
was the Dr William's Library, a research
facility for English Protestant dissent
which has owned the folio since at least
1716, making it the longest uninterrupted
ownership by a public library of any
copy.
''Its sale
will significantly help the library by
securing its finances and safeguarding
their important historic collections of
manuscripts and printed books,'' said
Peter Selley, the specialist in charge of
the sale.
The
library was not immediately available for
comment.
Printed in
1623, seven years after Shakespeare's
death, and containing 36 plays, less than
250 copies of the First Folio survive and
most of those are incomplete.
The
current example is still in its 17th
century calf leather binding, and
features notes in the margins apparently
made by contemporary scholars.
At the
time of Shakespeare's death in 1616, 18
plays now attributed to him had not
reached print, and the First Folio has
been credited with saving for posterity
such classics as ''Julius Caesar'', ''As
You Like It'', ''Twelfth Night'' and
''The Tempest''.
''There is
no guarantee that these unpublished plays
would ever have been put into print if
the Folio had not appeared,'' said
Stanley Wells, Chairman of the Trustees
of the Shakespeare Birthplace Trust.
Several
copies of the First Folio have been sold
privately, including one purchased by
John Paul Getty from Oriel College,
Oxford, for an estimated 3.5 million
pounds. Microsoft co-founder Paul Allen
reportedly bought another.(AGENCIES)
Dietary
fish oils may lower risk of eye disease
NEW YORK, July 14: Contrary to some
past studies, new research suggests that
intake of fatty acids found in fish may
help prevent age-related maculopathy, a
deterioration of the eye's retina that
can lead to blindness.
Several
studies in recent years have found a link
between high fat intake -- from any
source -- and a higher risk of
age-related maculopathy (ARM), the
leading cause of vision loss among the
elderly.
The
findings are puzzling because unsaturated
fats from fish and plant sources like
olive oil are widely recognised as
healthy fats that may protect against
heart disease and other ills.
The new
study, published in the Archives of
Ophthalmology, adds to the puzzle.
Australian researchers who followed more
than 3,600 older adults for five years
found no evidence that dietary fat, of
any kind, increased the risk of ARM.
What's
more, men and women who ate the most
omega-3 fatty acids had a lower risk of
ARM than those with the lowest intakes.
Omega-3 polyunsaturated fats are found
largely in oily fish, and to a lesser
extent in flaxseed, walnuts and soybeans.
In this
study, people who ate fish at least once
a week were 40 per cent less likely to
develop early ARM than their peers who
ate fish less than once per month. People
who ate fish three times per week had a
substantially lower risk of
advanced
macular degeneration.
As for
other types of fat, there was some
evidence that older adults with low
intakes of monounsaturated fat -- the
type found in olive oil -- had an
elevated risk of ARM. And fat sources
that should generally be limited, such as
butter, showed no relationship to ARM
risk.
The stark
difference between these findings and
those of some earlier studies cannot be
readily explained, according to the
researchers. But the notion that healthy
fats would raise ARM risk is
counterintuitive and lacks biological
plausibility, study co-author Dr Jie Jin
Wang of the University of Sydney told
Reuters Health.
According
to Wang and co-author Dr Paul Mitchell,
there's no reason for people to veer from
what's considered a ''heart-healthy''
diet -- one emphasizing fruits,
vegetables, whole grains and unsaturated
fats from fish and plant sources.
A diet
rich in omega-3 fats, the researchers
noted, may also help lower the risks of
high blood pressure, diabetes and
obesity.
There are
no definitive guidelines on dietary fat
for people with early ARM, they said, but
it would be ''reasonable'' for them to
eat more fish and other sources of
omega-3s.(AGENCIES)
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