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Being optimistic likely to Lengthen your Life, a New Study suggests

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FILE - A general view shows a "smiling" sunflower in a field in Tokyo on July 30, 2015. Some 20,000 sunflowers were enjoyed by visitors to the area, VOA
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Dec 8, 2016: Being optimistic could lengthen your life, a new study suggests.

Writing in the American Journal of Epidemiology, researchers at Harvard’s T.H. Chan School of Public Health found that women with “a general expectation that good things will happen” had significantly lower risk of several deadly diseases such as cancer, heart disease, stroke, respiratory disease and infection compared to less optimistic women.

“While most medical and public health efforts today focus on reducing risk factors for diseases, evidence has been mounting that enhancing psychological resilience may also make a difference,” said Eric Kim, research fellow in the Department of Social and Behavioral Sciences and co-lead author of the study. “Our new findings suggest that we should make efforts to boost optimism, which has been shown to be associated with healthier behaviours and healthier ways of coping with life challenges.”

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Furthermore, researchers found “ healthy behaviors only partially explain the link between optimism and reduced mortality risk.”

For the study, researchers looked at data from 70,000 female participants in the Nurse’s Health Study, which examines women’s health every two years via surveys.

Specifically, they looked at the women’s level of optimism as well as other factors such as overall health, race, diet and physical activity.

They found the most optimistic woman had nearly a 30 percent lower risk of dying from disease. For example they had a 16 percent lower risk of dying from cancer, a 38 percent lower risk of dying from heart disease, a 39 percent lower risk of dying from stroke, a 38 percent lower risk of dying from respiratory disease and a 52 percent lower risk of dying from infection compared to the least optimistic women in the study.

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Researchers noted other studies have linked optimism with reduced risk of death from cardiovascular disease, but this was the first to link optimism with reduced mortality from other diseases.

“Previous studies have shown that optimism can be altered with relatively uncomplicated and low-cost interventions, even something as simple as having people write down and think about the best possible outcomes for various areas of their lives, such as careers or friendships,” said postdoctoral research fellow Kaitlin Hagan, co-lead author of the study. “Encouraging use of these interventions could be an innovative way to enhance health in the future.”  (VOA)

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A New Virus Typhus Rises In Los Angeles

Officials in Los Angeles say they are working toward housing for the county’s 53,000 homeless residents to relieve conditions that help give rise to typhus and other diseases.

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coal miner,Typhus
Retired coal miner James Marcum, who has black lung disease, takes a pulmonary function test at the Stone Mountain Health Center in St. Charles, Virginia, U.S., May 18, 2018. (VOA)

Typhus, a bacterial infection that is sometimes life threatening, is on the rise in Los Angeles and several other U.S. cities. Public health officials say homelessness is making the problem worse and that the disease, which is associated with poverty and poor sanitation, is making a comeback in the United States.

Los Angeles County has seen 64 cases of typhus this year, compared with 53 at the same point last year and double the typical number, with a six-case cluster among the homeless in L.A. this year. Two cities in the county that have separate counts are also seeing higher numbers: Long Beach with 13 cases, up from five last year, and Pasadena with 20, a more than three-fold increase from 2017.

At a clinic in the L.A. neighborhood called Skid Row, Dr. Lisa Abdishoo of Los Angeles Christian Health Centers is on the lookout for symptoms.

“It’s a nonspecific fever,” she said, “body aches, sometimes a headache, sometimes a rash.”

This kind of typhus is spread by fleas on rats, opossums, or even pets and is known as murine typhus, from the Latin word for “mouse.”

The risk is higher when people live on the streets in proximity to garbage, but the disease seems to be spreading through the Southern United States.

Not the typhus of WWI

“It’s never been considered a very common disease,” said Peter Hotez, dean of the National School of Tropical Medicine at Baylor College of Medicine in Houston, “but we seem to see it more frequently. And it seems to be extending across from Southern California all along the Mexican border into southeastern Texas and then into the Gulf Coast in Florida.”

 

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A homeless man sits at his street-side tent along Interstate 110 along downtown Los Angeles’ skyline, May 10, 2018. Thousands of homeless people sleep on the streets of Los Angeles County.. VOA

 

Texas had 519 cases last year, said spokeswoman Lara Anton of the Texas Department of State Health Services. That’s more than three times the number in 2010, with clusters in Houston and Galveston. No figures for this year have been released.

This is a separate disease from typhoid fever and is not the epidemic form of typhus that caused hundreds of thousands of deaths in war time. That type, called epidemic typhus, is carried by body lice and often spreads in conflict zones. It led to millions of deaths in World War I alone.

Flea-borne typhus, the kind seen in California and Texas, is serious but often clears up on its own and responds to an antibiotic, Abdishoo said.

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Dr. Peter Hotez, dean of the Baylor College of Tropical Medicine, shows Associated Press journalists areas of Houston’s 5th Ward that may be at high risk for mosquitoes capable of transmitting the Zika virus in Houston.. VOA

“It seems to get better a little faster if you have the treatment,” she said. “But there are cases where people have had more severe complications — it’s rare, but getting meningitis, and even death,” she cautioned.

Migration, urbanization, climate change

The reason for increased typhus numbers is uncertain, but it may be linked to migration, urbanization and climate change, said Hotez, the disease specialist. In some parts of the world, typhus is still linked to war and instability, “in the conflict zones in the Middle East, in North Africa, Central Asia, East Africa, Venezuela, for instance with the political instability there,” he said.

Murine typhus is one of several diseases on the rise in the southern United States, Hotez said.

Typhus
People line up on Skid Row in Los Angeles to receive food, water, clothing and other basic necessities from Humanitarian Day Muslim volunteers.. VOA

“Others include dengue, now emerging in southern Texas and Florida, the Zika virus infection, Chikungunya. We have a huge problem with West Nile virus,” he added, and Chagas disease, a condition usually seen in Latin America.

A report in May from the U.S. Centers for Disease Control and Prevention found that such “vector-borne” diseases, transmitted by ticks, fleas or mosquitoes, more than doubled in the United States between 2004 and 2016.

Hotez says they are on the rise in many industrial nations with crowded cities and pockets of poverty.

Also Read: A Full Guide To Public Health Disease Hepatitis

Skid Row physician Abdishoo says flea-borne typhus is still uncommon on the streets of Los Angeles, but “it has us all on high alert for this illness that we don’t necessarily think too much about. We want to be vigilant,” she added, “when you see a communicable disease on the rise.”

Officials in Los Angeles say they are working toward housing for the county’s 53,000 homeless residents to relieve conditions that help give rise to typhus and other diseases. Voters approved funding in 2016 and 2017 to finance the efforts. (VOA)