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Results for search "World Health Organization".

Health News Results - 11

Don't Believe the Myth: Face Masks Don't Lower  Oxygen Levels

Face masks: Yes, they may not be the most pleasant item to wear, but they are not depriving people of needed oxygen, a new study confirms.

The findings should counter a common anti-mask myth -- that donning a face mask is unhealthy.

Claims that masks reduce oxygen supplies, cause carbon dioxide "intoxication" and weaken the immune system have gained steam, fueled in part by soc...

Zika Epidemic Was More Widespread Than Thought: Study

The Zika epidemic, which began as a mosquito-borne viral infection and led to severe birth defects, affected far more people than previously thought, new research shows.

For the study, researchers analyzed data from 15 countries and territories in South America, Central America and the Caribbean with a combined population of 507 million, and concluded that they had over 132 million Zi...

More Than 1 in 3 U.S. Pediatricians Dismiss Vaccine-Refusing Families

Parents who choose to forgo or delay their children's vaccinations may quickly find themselves without a pediatrician.

Just over half (51%) of pediatric offices in the United States have a policy to dismiss families that refuse childhood vaccines, a nationwide survey found. Thirty-seven percent of pediatricians themselves said they often dismissed families for refusing vaccines, ...

Dental Groups Push Back on WHO's Call to Delay Routine Care

The World Health Organization recommended postponing routine dental care during the coronavirus pandemic, but the American Dental Association (ADA) strongly disagrees.

"Oral health is integral to overall health. Dentistry is essential health care," said ADA President Dr. Chad Gehani. "Dentistry is essential health care because of its role in evaluating, diagnosing, preventing or trea...

Evidence Mounts That TB Vaccine Might Help Protect Against COVID-19

A tuberculosis vaccine may help reduce the risk of death from COVID-19, researchers suggest.

Developing countries have lower-than-expected COVID-19 death rates, and a TB vaccine given in countries with high rates of tuberculosis might play a significant role in reducing COVID-19 death rates, according to authors of a new study.

The vaccine, which is routinely given to childr...

WHO Predicts COVID-19 Will Take Heavy Toll in Africa

Without quick action, the new coronavirus could sicken up to a quarter-billion people in Africa during the pandemic's first year and claim 190,000 lives, a new modeling forecast suggests.

Up to 5.5 million people could require hospitalization, 140,000 could have severe COVID-19, and 89,000 would be critically ill, the World Health Organization study says.

The forecast -- l...

Dirty Air Cuts Millions of Lives Short Worldwide: Study

Worldwide, air pollution may be shortening people's life expectancy by an average of three years, according to new estimates.

Researchers calculate that air pollution actually has a bigger impact on life expectancy than tobacco smoking, HIV/AIDS or violence.

While that might sound surprising, it reflects the ubiquity of air pollution, said study co-author Jos Lelieveld of th...

Study Casts Doubt on Need for Adult Boosters for Tetanus, Diphtheria

Countering a U.S. government advisory, a new study suggests that adults may not need regular booster shots for tetanus and diphtheria if they received a complete vaccination series as children.

Researchers compared data gathered from millions of people in 31 countries in North America and Europe between 2001 and 2016. They found no significant differences in rates of the two diseases...

Aging Population, Unhealthy Habits Underlie Expected Cancer Surge

Due to population growth and aging, the number of cancer cases worldwide is expected to jump 60% by 2040 -- but unhealthy lifestyle habits are likely to make the surge even larger.

That's the conclusion from the new edition of the Cancer Atlas, unveiled Wednesday at the World Cancer Leaders' Summit in Nur-Sultan, Kazakhstan. It notes that unhealthy habits such as smoking, p...

Big Gains Against Hep C Possible With Big Investment

Millions of hepatitis C cases and related deaths could be prevented, but it will require a significant investment, researchers say.

In the first study to model such measures worldwide, the authors concluded that sweeping prevention, screening and treatment efforts could prevent 15.1 million new hepatitis C infections and 1.5 million cirrhosis and liver cancer deaths by 2030.

C-Section Rates Have Nearly Doubled Since 2000: Study

The number of women delivering babies via cesarean section has nearly doubled worldwide since 2000, to about 21 percent, new research shows.

That's significantly higher than the 10 percent to 15 percent considered medically necessary, researchers said.

When complications develop, C-sections can save the lives of mothers and their babies. But the surgery is not risk-free an...