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WASHINGTON, July 28 (Xinhua) -- U.S. astronauts who flew the Apollo moon-landing missions in the 1960s and 1970s are experiencing higher rates of heart problems that are thought to be caused by their exposure to deep space radiation, new research said Thursday.

Apollo astronauts are the only humans that have traveled beyond Earth's protective geomagnetic field, while other manned spaceflight has taken place exclusively in low Earth orbit, where such protection against space radiation is still present.

In the new study, researchers from the Florida State University compared the cause of death for seven Apollo lunar astronauts to 35 astronauts who flew only in low Earth orbit and 35 astronauts who never flew orbital missions in space.

They found that 43 percent of deceased Apollo astronauts died from a cardiovascular problem. That is four to five times higher than non-flight astronauts and astronauts who have traveled in low Earth orbit.

""We know very little about the effects of deep space radiation on human health, particularly on the cardiovascular system,"" Professor Michael Delp of the Florida State University, who led the study, said in a statement.

""This gives us the first glimpse into its adverse effects on humans,"" Delp said.

To test a possible mechanistic basis for these findings, the researchers exposed mice to the type of radiation that Apollo astronauts would have experienced.

After six months -- the equivalent of 20 human years -- the mice demonstrated an impairment of arteries that is known to lead to the development of atherosclerotic cardiovascular disease in humans.

""What the mouse data show is that deep space radiation is harmful to vascular health,"" Delp said.

The findings were published in the British journal Scientific Reports.

The Apollo program, most notable for landing men on the moon, ran from 1961 to 1972. The program included 11 manned flights between 1968 and 1972, nine of which flew beyond Earth's orbit into deep space.

Of the 24 men who flew into deep space on the Apollo lunar missions, eight have died and seven were included in the study. The eighth, Edgar Mitchell, died after the data analysis had been completed.

" What To Do When You Fire An Employee What To Do When You Fire An Employee May 16 Jordan Hicks Womens Jersey , 2014 | Author: Maryl Joop | Posted in Business

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While no official actions should be taken until the employee has been fired, it is a good idea to begin planning out which of your employees will be able to take over the extra workload until a new person can be hired. Especially in the case of a firing that is done to keep the company profitable Jay Ajayi Womens Jersey , it seems like a waste to let an employee go, only to lose potential business while the company scrambles to take over the work and accounts the fired employee left behind.

Even more important than the skills that your future employee will have, is their all-around character. Are they honest? Will they be responsible and reliable? How do you measure this? Many employers will check their resume and see what they have done in the past and will ask them specific questions to find out as much as they can about the nature of the applicant.

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As soon as the employee has been fired Fletcher Cox Womens Jersey , immediately start looking for a replacement. Your company’s human resources department should be able to help you with this by posting a job advertisement both internally and online.

Another way is to develop more efficient methods for conducting business such as the implementation of online lease applications and online rent fulfillment systems that will streamline the property management process.

Firing an employee is never pleasant, but it is a part of the job as a manager. As long as you go about it in the right way, you’ll have the knowledge that your actions are helping the company to become more successful.

The main objective of Onboarding Systems is to facilitate applicant onboarding by providing a brandable and highly configurable online applicant screening software and light weight Applicant Tracking System (ATS). Onboarding Systems works through resellers and directly with organizations needing to automate their applicant onboarding processes.

BEIJING Zach Ertz Womens Jersey , Dec. 27 (Xinhua) -- The Political Bureau of the Communist Party of China (CPC) Central Committee decided Wednesday to discuss a proposal about amending part of China's Constitution at the second plenary session of the 19th CPC Central Committee in January.

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