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Getting the recommended amount of exercise is tied to lower risk of cancer: study – CTV News

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A new study sheds light on one potential health benefit of exercise: a lower risk of certain cancers.

The study, published Thursday in the Journal of Clinical Oncology, analyzed data from more than 750,000 adults in the United States, Europe and Australia, and found that recommended amounts of physical activity correlated with lower risks of seven types of cancer, of the 15 types that researchers looked at.

These cancer types were colon, breast, kidney, myeloma, liver, non-Hodgkin lymphoma and endometrial.

A number of previous studies have come to similar conclusions about physical activity and cancer. In the latest analysis, the researchers dug deeper into the relationships between the amount of physical activity and how much lower the cancer risk became.

Recommended levels of physical activity showed what could be a range of potential benefits, from a 6-10% lower risk of breast cancer to an 18-27% lower risk of liver cancer.

With some cancers, most of that reduced risk was seen with the recommended amounts of physical activity. With other cancers, the study found that physical activity well above current recommendations may correlate with the lowest risk levels.

The authors say this “may reflect important differences in the underlying biologic mechanisms for distinct cancer types.”

US health officials recommend that adults get at least 2½ hours of moderate-intensity aerobic exercise, 75 minutes of vigorous-intensity aerobic exercise, or a comparable combination of the two per week.

The authors note their data come from self-reported physical activity at just one point in time and that the majority of people included were white, which could limit how applicable their findings are more broadly.

When adjusting for body mass index, or BMI, the link between endometrial cancer and physical activity disappeared. However, this had a “limited effect” on other types of cancer, the authors said. In addition, a significant association for non-Hodgkin lymphoma was seen only in women, and the same was true for colon cancer in men.

The researchers caution that the study doesn’t definitively show that exercise directly causes cancer risk to drop. Health experts say there may be various other factors at play.

“There is substantial evidence that higher levels of physical activity are linked to lower risks of several cancers,” explains the National Cancer Institute. However, “people who are not physically active may differ from active people in ways other than their level of physical activity.

“These other differences, rather than the differences in physical activity, could explain their different cancer risk,” according to the institute. “For example, if someone does not feel well, they may not exercise much, and sometimes people do not feel well because they have undiagnosed cancer.”

A number of other factors have been linked to cancer risk, including smoking, diet and obesity.

“We know there are many factors that are associated with both obesity and cancer, such as lack of exercise and poor diet,” MD Anderson Cancer Center’s Dr. George Chang previously told CNN. “How much each of those factors contribute to cancer is less clear.”

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Ontario reports 2417 new cases of COVID-19 and 102 more deaths related to the virus – Bowen Island Undercurrent

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TORONTO — The Canadian military is set to help with COVID-19 vaccine distribution in northern Ontario, as officials investigate the death of a teenager who had the virus and worked at a long-term care home in the province’s southwest.

Federal Public Safety Minister Bill Blair tweeted Sunday that the Canadian Armed Forces will support vaccine efforts in 32 communities of the Nishnawbe Aski Nation. The move came after a request from the province for assistance in getting vaccine to First Nations communities, he wrote. 

“Our government will always be there to support the fight against #COVID19,” he wrote on Twitter. 

The Nishnawbe Aski Nation, whose territory comprises 49 remote communities in northwestern Ontario, did not immediately comment on the pending deployment.   

Meanwhile, officials in Middlesex-London said Sunday that a male teen who worked in a long-term care facility in the region was among the three deaths reported on the area’s COVID-19 case site earlier in the weekend. 

Dr. Alexander Summers, associate medical officer of health for the Middlesex-London Health Unit, said he couldn’t provide the exact age or any other details about the teen.

But he said the person was a staff member of the long-term care home who was recently diagnosed with COVID-19 and died earlier in the week.

“Through the course of our investigation, the potential exposures could be many, but certainly the long-term care home is a potential exposure for this individual,” Summers said in an interview. 

Summers said to his knowledge, the teen was not hospitalized with COVID-19.

He is the youngest person to have died after contracting the virus in the county, Summers said, noting the majority of deaths they’ve seen among COVID-19 patients have been in an older demographic. 

“It can have severe impacts on people of all ages and this story and this unfortunate and tragic situation as a reminder of that,” Summers said. 

“Certainly, this is a very rare occurrence. It’s a rare event. And the investigation continues as to understanding what exactly might have happened. However, regardless, it’s a sad day.”

The Roberta Place Retirement Lodge long-term care home in Barrie, Ont., north of Toronto, also made headlines over the weekend after health officials said a U.K. variant of COVID-19 was behind a deadly outbreak there.

On Sunday, the Simcoe Muskoka District Health Unit said it had learned of an additional individual with the U.K. variant within the region.

The unit said that individual had close contact with a person who is also part of a COVID-19 outbreak at Bradford Valley Care Community, a long-term care home in Bradford West Gwillimbury, south of Barrie. 

Officials are now investigating whether that outbreak is also due to the U.K. variant.

Ontario reported 2,417 new cases of COVID-19 and 50 more deaths related to the virus on Sunday.

The numbers were slightly up from Saturday’s 2,359 cases, though deaths declined by two from previous figures. 

Health Minister Christine Elliott said there were 785 new cases in Toronto, 404 in Peel Region, 215 in York Region and 121 in Niagara.

Over 48,900 tests had been completed in Ontario over the past 24 hours.

The province reported that 4,427 doses of a COVID-19 vaccine were administered since the province’s last report, and 1,436 are hospitalized with the virus.

A total of 280,573 doses of the COVID-19 vaccine have been administered in Ontario so far.

Since the pandemic began, there have been 255,002 confirmed cases of COVID-19 in Ontario. Of those, 225,046 have recovered and 5,803 people have died.

On Monday, the province plans to issue the results of a weekend-long expansion of its “inspection blitz” of big-box stores to ensure they were following COVID-19 guidelines.

The workplace inspections, which started in the Greater Toronto and Hamilton areas last weekend, stretched out to Ottawa, Windsor, Niagara and Durham regions.

Preliminary figures from Saturday showed inspectors went into 310 big-box stores and issued 34 tickets and 53 orders, Labour Minister Monte McNaughton said Sunday.

Overall, inspectors found the stores were only at “64 per cent compliance, which the minister said wasn’t good enough.

“The three big issues that we’re finding this weekend: masking protocols aren’t being followed, in some cases; the physical distancing is still an issue in some stores; and this weekend we found that some of these big-box stores don’t have a safety plan that’s required of them to prevent COVID-19 from coming into the workplace,” McNaughton said in an interview.

“Every business should know at this point in the pandemic what’s expected of them.”

This report by The Canadian Press was first published Jan. 24, 2021.

Victoria Ahearn, The Canadian Press

Note to readers: This is a corrected story. A previous version said there had been 102 deaths in Ontario over the past 24 hours. There were, in fact, 50 deaths.

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Dentists, teachers disappointed they won't be prioritized for vaccine in B.C. – BarrieToday

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VANCOUVER — Dentists, bus drivers and teachers are among the essential workers who are disappointed they won’t be given priority to receive the COVID-19 vaccine in British Columbia.

B.C. rolled out its vaccination plan on Friday, revealing that after the most vulnerable groups have been immunized, shots will be given out according to age, with the oldest residents first in line.

That means many people who have not been able to work from home during the pandemic, including grocery store workers, police officers and mail carriers, will have to wait to get the vaccine along with others in their age group.

The British Columbia Dental Association has written a letter to Premier John Horgan strongly urging him to include dentists in Stage 2 of the vaccination plan, alongside family doctors and medical specialists.

“Dentistry is an essential service. More importantly, dental care, including aerosol-generating dental procedures, are provided to patients who cannot wear a mask during treatment,” said association president Dr. Anthony Nadolski in the letter.

“B.C. dentists continue to do everything they can to ensure dental offices are safe for patients and staff. Early access to vaccines will ensure continued access to urgent and emergency dental care.”

Other agencies such as the American Centers for Disease Control and Prevention have included dentists and dental workers in Stage 2 along with doctors and specialists not directly involved in providing care to COVID-19 patients, Nadolski added.

More recently, Ontario included dentistry in its second stage because dentists generally provide in-person care and many dental procedures are urgent and cannot be delayed, he said.

The B.C. Ministry of Health did not immediately respond to a request for comment on Sunday.

The province initially suggested that people delivering essential services such as teachers, grocery store workers and those in law enforcement could be prioritized to get the vaccine. 

But when the finalized plan was released on Friday, Provincial Health Officer Dr. Bonnie Henry said scientific evidence supports an age-based approach because older populations are at much higher risk of infection and death from COVID-19.

Currently, hospital workers, Indigenous communities and long-term care home residents, staff and essential visitors are among those being vaccinated in Stage 1 of the plan.

Stage 2 will begin in February and include people 80 and over, Indigenous seniors over 65, general practitioners and medical specialists.

In April, the province will start vaccinating the general public according to five-year age groupings, starting with seniors aged 75 to 79 before moving on to those aged 70 to 74 and so on.  

However, Henry added that the approval of more vaccines may mean the province’s plan could be revised to vaccinate essential workers between April and June.

Metro Vancouver bus drivers are “very disappointed” they will not be prioritized while they risk their lives to provide transportation to the public, said Balbir Mann, president of Unifor Local 111.

The union is calling on the provincial government to immediately change the plan and include transit operators in Stage 2.

“We’re basically frontline workers, taking people to work and grocery shopping. Our members are real heroes,” said Mann. “They’re putting their lives in front of this to help out the general public.”

Teachers are also disappointed there is no prioritization for front-line workers who have kept schools, public services and the economy open, said B.C. Teachers Federation President Teri Mooring.

“However, the vaccine supply limit is beyond our control and those among us who are most vulnerable of death and serious illness must be vaccinated first,” she said in a statement. 

Hopefully more vaccines are approved and the immunization strategy will be appropriately adjusted and accelerated, she said.

Mooring added if teachers are not prioritized for vaccines, the government must take immediate action to improve safety measures in schools, including mandatory masks, better physical distancing and ventilation upgrades.

“There is no denying that teachers are stressed, anxious and even afraid. We do not have the layers of protection in our schools that exist in other environments.”

This report by The Canadian Press was first published Jan. 24, 2021.

Laura Dhillon Kane, The Canadian Press

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Dentists, teachers disappointed they won't be prioritized for vaccine in B.C. – St. Albert Today

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VANCOUVER — Dentists, bus drivers and teachers are among the essential workers who are disappointed they won’t be given priority to receive the COVID-19 vaccine in British Columbia.

B.C. rolled out its vaccination plan on Friday, revealing that after the most vulnerable groups have been immunized, shots will be given out according to age, with the oldest residents first in line.

That means many people who have not been able to work from home during the pandemic, including grocery store workers, police officers and mail carriers, will have to wait to get the vaccine along with others in their age group.

The British Columbia Dental Association has written a letter to Premier John Horgan strongly urging him to include dentists in Stage 2 of the vaccination plan, alongside family doctors and medical specialists.

“Dentistry is an essential service. More importantly, dental care, including aerosol-generating dental procedures, are provided to patients who cannot wear a mask during treatment,” said association president Dr. Anthony Nadolski in the letter.

“B.C. dentists continue to do everything they can to ensure dental offices are safe for patients and staff. Early access to vaccines will ensure continued access to urgent and emergency dental care.”

Other agencies such as the American Centers for Disease Control and Prevention have included dentists and dental workers in Stage 2 along with doctors and specialists not directly involved in providing care to COVID-19 patients, Nadolski added.

More recently, Ontario included dentistry in its second stage because dentists generally provide in-person care and many dental procedures are urgent and cannot be delayed, he said.

The B.C. Ministry of Health did not immediately respond to a request for comment on Sunday.

The province initially suggested that people delivering essential services such as teachers, grocery store workers and those in law enforcement could be prioritized to get the vaccine. 

But when the finalized plan was released on Friday, Provincial Health Officer Dr. Bonnie Henry said scientific evidence supports an age-based approach because older populations are at much higher risk of infection and death from COVID-19.

Currently, hospital workers, Indigenous communities and long-term care home residents, staff and essential visitors are among those being vaccinated in Stage 1 of the plan.

Stage 2 will begin in February and include people 80 and over, Indigenous seniors over 65, general practitioners and medical specialists.

In April, the province will start vaccinating the general public according to five-year age groupings, starting with seniors aged 75 to 79 before moving on to those aged 70 to 74 and so on.  

However, Henry added that the approval of more vaccines may mean the province’s plan could be revised to vaccinate essential workers between April and June.

Metro Vancouver bus drivers are “very disappointed” they will not be prioritized while they risk their lives to provide transportation to the public, said Balbir Mann, president of Unifor Local 111.

The union is calling on the provincial government to immediately change the plan and include transit operators in Stage 2.

“We’re basically frontline workers, taking people to work and grocery shopping. Our members are real heroes,” said Mann. “They’re putting their lives in front of this to help out the general public.”

Teachers are also disappointed there is no prioritization for front-line workers who have kept schools, public services and the economy open, said B.C. Teachers Federation President Teri Mooring.

“However, the vaccine supply limit is beyond our control and those among us who are most vulnerable of death and serious illness must be vaccinated first,” she said in a statement. 

Hopefully more vaccines are approved and the immunization strategy will be appropriately adjusted and accelerated, she said.

Mooring added if teachers are not prioritized for vaccines, the government must take immediate action to improve safety measures in schools, including mandatory masks, better physical distancing and ventilation upgrades.

“There is no denying that teachers are stressed, anxious and even afraid. We do not have the layers of protection in our schools that exist in other environments.”

This report by The Canadian Press was first published Jan. 24, 2021.

Laura Dhillon Kane, The Canadian Press

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