Age at first menstruation influenced by dietary quality
"We observed [...] that a healthier diet was linked to menstrual periods starting at an older age," said Holly Harris, associate professor at Fred Hutchinson Cancer Center in Seattle who coordinated the study. "As earlier age at menarche is associated with multiple later life outcomes, including higher risk of diabetes, obesity, cardiovascular disease and breast cancer, this may be an important period for trying to reduce the risk of these chronic diseases."
To conduct this research, scientists examined the eating habits of approximately 7,000 American girls aged 9 to 14 who had not yet gone through puberty when they were recruited for the prospective Growing Up Today Study (GUTS) cohort. On average, they had their first period at age 13.1, consistent with data from the general population. At enrollment and then at regular intervals during the follow-up, participants completed a questionnaire on how often they consumed 132 types of foods and drinks – ranging from never or less than once a month to once or several times a week.
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Sustainability Times
5 days ago
- Sustainability Times
'She Shouldn't Be Alive, Let Alone Have Five': Yellowstone's Grizzly Mom Sparks Fury Between Wildlife Heroes and Human Safety Advocates
IN A NUTSHELL 🐻 A grizzly bear supermom was spotted with an unprecedented five cubs in Yellowstone National Park. was spotted with an unprecedented five cubs in Yellowstone National Park. 📸 Tour guide Andrea Baratte and photographer Stan Mills documented this rare wildlife event, capturing stunning images and videos. 🔬 Experts speculate whether all cubs belong to the same mother, with genetic testing suggested to confirm biological relationships. suggested to confirm biological relationships. 📅 This sighting marks the largest group of cubs observed in the park since records began in 1959, highlighting Yellowstone's ecological richness. In the vast, untamed wilderness of Yellowstone National Park, a remarkable wildlife event has captured the attention of nature enthusiasts and experts alike. A grizzly bear, often referred to as a supermom, has been spotted with a group of five cubs. This unprecedented sighting is not only stirring excitement but also raising questions about the dynamics of bear family structures. With the help of wildlife watchers and photographers, this rare occurrence is being documented, offering a unique glimpse into the life of one of nature's most formidable creatures. The Magnificent Grizzly Bear Supermom Grizzly bears are iconic symbols of the American wilderness, known for their strength and solitary nature. However, this recent sighting of a grizzly bear supermom with five cubs has challenged our understanding of these majestic creatures. Typically, a grizzly bear mother is seen with one to three cubs, making this group of five an extraordinary occurrence. Experts have pointed out that this might be the first time such a large group has been documented in Yellowstone. This remarkable bear has garnered admiration and curiosity from wildlife experts and park visitors. 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Images and videos taken by these dedicated individuals provide invaluable insights into the lives of grizzly bears. Such documentation helps raise awareness about the importance of conservation efforts and the need to protect these magnificent animals and their habitats. The work of Baratte and Mills underscores the vital role that photographers and wildlife enthusiasts play in bringing extraordinary wildlife events to the public eye. 'We Thought It Was Just Pee—It Wasn't': Whale Urine Study Uncovers Stunning Biological Secrets Hidden in Ocean Giants Speculation and Scientific Inquiry The sighting of five cubs has led to speculation about whether all the cubs belong to the same mother or if some may have been adopted. This question is a subject of great interest to scientists and researchers. Frank van Manen of the Interagency Grizzly Bear Study Team has confirmed that this is the first recorded litter of five in the Greater Yellowstone Ecosystem. 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Euronews
6 days ago
- Euronews
More than 100 aid organisations sound alarm over famine in Gaza
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Euronews
6 days ago
- Euronews
More than 100 organisations sound the alarm about famine in Gaza
More than 100 non-governmental organisations warned of the risk of mass starvation in Gaza on Wednesday, sounding the alarm to allow life-saving food and aid into the Strip. In a joint statement, prominent organisations including Doctors Without Borders, Amnesty International and Oxfam said that as supplies are totally depleted and mass starvation is spreading across the enclave, adding "humanitarian organisations are witnessing their own colleagues and partners waste away before their eyes." The humanitarian organisations point out that food, clean water, medical supplies, shelter items and fuel sit untouched just outside, or in some cases inside Gaza, in warehouses. "The starvation of civilians as a method of warfare is a war crime," the statement added. The organisations are demanding an immediate ceasefire, the opening of all land crossings and the free flow of humanitarian aid under the previous UN-led mechanism. The statement comes exactly two months after the US-backed Gaza Humanitarian Foundation (GHF) took over aid delivery operations and shortly after the Strip saw its deadliest day for aid-seekers, with at least 85 Palestinians killed trying to access food on Sunday. Since May, more than 1,000 Palestinians trying to access aid have been killed by Israeli forces, mostly near aid sites run by the controversial American contractor, the UN Human Rights Office said on Tuesday. In January, Israel banned the main UN organisation, UNRWA, from delivering aid, accusing Hamas of looting aid without providing evidence. The head of Al-Shifa hospital announced on Tuesday that 21 children died in 72 hours due to malnutrition and starvation, in a scene the UN described as proof that "starvation is knocking on every door." Speaking at a Security Council meeting on Tuesday, UN Secretary General Antonio Guterres described the situation in Gaza as a "horror show, with a level of death and destruction without parallel in recent times." Guterres added that he was appalled UNOPS (UN Office for Project Services) and WHO (World Health Organisation) facilities, including its main warehouse, were struck in Deir al Balah over the weekend. "These premises are inviolable. And must be protected under international humanitarian law without exception," Guterres said. Diplomatic efforts and stalled negotiations Later this week, US Middle East Envoy Steve Witkoff is set to travel to Europe to discuss a range of issues, including Gaza and the push for a ceasefire. Witkoff also plans to visit the Middle East, where the US Envoy has "strong hope" that the US can deliver a ceasefire deal and the establishment of a "humanitarian corridor" to the besieged strip, Department spokesperson Tammy Bruce told reporters. Israel is increasingly facing pressure from the international community as the humanitarian situation in Gaza continues to drastically deteriorate. Israel's military offensive has now almost reached its 21st month and has left widespread destruction and severe shortages of food, aid and basic amenities.