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Study finds vitamin D supplements may help prevent dementia

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Researchers from the University of Calgary’s Hotchkiss Brain Institute in Canada and the University of Exeter in the UK have found the right amount of vitamin D each day can help ward off dementia.

Probably most well-known for its benefits related to calcium and phosphorus absorption and immune regulation, vitamin D just may turn out to be an integral ingredient when it comes to keeping one’s mind and cognition sharp as well.

Study authors analyzed the relationship between taking vitamin D supplements and dementia among over 12,388 people taking part in the U.S. National Alzheimer’s Coordinating Center.

The average age of these participants was 71 and all of them were dementia-free upon initial enrollment. Within the group, 37 percent (4,637) reported taking vitamin D supplements.

Ultimately, the research team found that taking vitamin D displayed an association with living dementia-free for a longer period of time. The team saw 40 percent fewer dementia diagnoses in the group taking supplements.

Across the entire analyzed sample, a total of 2,696 participants developed dementia over the course of a decade. Among that group, 2,017 (75%) had no exposure whatsoever to vitamin D throughout all visits prior to receiving a dementia diagnosis, while 679 (25%) had baseline exposure.

“We know that vitamin D has some effects in the brain that could have implications for reducing dementia, however so far, research has yielded conflicting results. Our findings give key insights into groups who might be specifically targeted for vitamin D supplementation. Overall, we found evidence to suggest that earlier supplementation might be particularly beneficial, before the onset of cognitive decline,” says research leader Professor Zahinoor Ismail in a university release.

While Vitamin D proved effective across all groups, researchers note that the effects were significantly greater in women.

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German medical team launches free surgical mission at Bamiyan provincial hospital

The mission is funded by volunteer doctors and partner organisations, with essential medicines and medical equipment also brought into the country.

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A nine-member medical team from Germany has begun a two-week medical and surgical mission at Bamiyan Provincial Hospital, offering free specialised treatment to patients in need.

According to the Ministry of Public Health, the team arrived in Afghanistan in coordination with the ministry and in partnership with Aga Khan Health Services (AKHS).

During the mission, the specialists will provide diagnostic and surgical services, including plastic surgery, burn treatment, correction of congenital deformities, war-related injuries and other complex medical conditions.

The team is expected to examine around 200 patients, with between 100 and 150 selected for surgical procedures.

In addition to treating patients, the German specialists will conduct theoretical and practical training sessions for Afghan doctors, surgeons and medical students to strengthen local medical expertise.

The ministry said the mission is funded by volunteer doctors and partner organisations, with essential medicines and medical equipment also brought into the country.

The initiative aims to improve access to free specialised healthcare, enhance the skills of Afghan medical professionals and strengthen surgical services in Afghanistan.

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Afghanistan to launch nationwide polio vaccination campaign

UNICEF said that 12.7 million children in Afghanistan have been vaccinated against polio through ongoing immunization campaigns.

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Afghanistan is set to launch a new nationwide polio vaccination campaign on Monday, November 2, as health authorities continue efforts to eradicate the disease, following the vaccination of 12.7 million children across the country.

Afghanistan’s Polio-Free Initiative announced that the campaign will begin nationwide on Monday, while vaccination activities in the southern zone will start a day later, on Tuesday, November 3.

Meanwhile, the United Nations Children’s Fund (UNICEF) said that 12.7 million children in Afghanistan have been vaccinated against polio through ongoing immunization campaigns.

The UN agency noted that despite progress in vaccination coverage, efforts to completely eliminate polio in Afghanistan are continuing.

Polio is a highly infectious viral disease that mainly affects children under the age of five and can cause permanent paralysis.

Health organizations have urged families to cooperate with vaccination teams and ensure that all eligible children receive the required vaccine doses to protect them against the disease.

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Afghanistan urges polio vaccination as cases reach 42

World Polio Day is observed annually on October 24 to raise awareness and strengthen global efforts to eliminate the disease.

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Afghanistan Free Polio has urged parents and caregivers to vaccinate their children against polio, warning of the continued need for vaccination efforts as the country marks World Polio Day on October 24.

In a message issued on Saturday, the organization called on families to ensure their children receive polio vaccines, stressing that every child has the right to grow up free from the disease.

The organization also emphasized the role of families and communities in preventing the spread of the virus and achieving a polio-free Afghanistan.

According to a previous report by the World Health Organization (WHO), six new polio cases had been recorded in Afghanistan, bringing the total number of cases reported since the beginning of 2026 to 42.

Afghanistan and Pakistan remain the only countries where polio has not been eradicated.

World Polio Day is observed annually on October 24 to raise awareness and strengthen global efforts to eliminate the disease.

Health authorities and public health organizations continue to stress that vaccination and community participation are essential to protecting children and preventing further transmission of the virus.

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