Olive oils (Credit: Canva)
Olive oil, derived from pressing whole olives—a traditional Mediterranean crop—is renowned for its health benefits and versatility. Olive oil is used extensively in cooking and is favored for frying foods, making salad dressings, and adding flavour to various dishes. Its applications extend beyond the kitchen; olive oil is also found in cosmetics, pharmaceuticals, soaps, and even fuels for traditional oil lamps.
Despite the general perception that oils are high in calories and unhealthy, olive oil stands out as a healthier alternative. This is largely due to its composition. Here are the top health benefits of Olive Oil.
1. Rich in Healthy Fats: Olive oil is predominantly made up of monounsaturated fats, which are known to be heart-healthy. These fats help reduce bad cholesterol levels and lower the risk of heart disease.
2. Antioxidant Properties: Olive oil is packed with antioxidants, such as vitamin E and polyphenols. These compounds help combat oxidative stress and inflammation, which can contribute to chronic diseases.
3. Anti-Inflammatory Effects: The antioxidants in olive oil, particularly oleocanthal, have anti-inflammatory properties. This can help reduce inflammation in the body and potentially lower the risk of inflammatory-related conditions.
4. Supports Digestive Health: Olive oil may improve digestion and help prevent constipation due to its lubricating effect on the digestive tract.
5. Promotes Skin Health: Its moisturizing properties make olive oil a common ingredient in skincare products. It can help maintain skin hydration and provide antioxidant protection.
Speaking to USA Today, health expert Kat Benson, a registered nutrition coach said, "Olive oil is one of the most commonly recommended oils for a variety of reasons, and with little controversy. He added that incorporating olive oil into your diet not only enhances flavour but also supports overall health.
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Health authorities have confirmed a sharp rise in measles cases across the US this year, with more than 11,300 infections and 23 deaths reported in ten countries by mid-September. According to the Pan American Health Organisation (Paho), this marks a staggering 31-fold increase compared to the same period in 2024, when only 358 cases were recorded. With numbers climbing, it is important to stay aware of the outbreak, understand how it spreads, and follow key safety measures recommended by experts.
An NBC News and Stanford University review found that large sections of the U.S. lack adequate vaccine coverage to prevent the spread of diseases like measles. In Washington County, Utah, about 79% of kindergarten children are vaccinated, which is only slightly higher than Gaines County, Texas, the center of the earlier 2025 outbreak and far below the 95% vaccination rate needed to maintain herd immunity.
Measles Precaution TipsThe best defense against measles is vaccination. Two doses of the MMR (measles, mumps, rubella) or MMRV (measles, mumps, rubella, varicella) vaccines are recommended. Other preventive steps include washing hands frequently, disinfecting high-touch surfaces, wearing masks in high-risk areas, and avoiding close contact with sick individuals. While most people receive the vaccines in childhood, adults who are unvaccinated can also get immunised to protect themselves.
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A few years ago, we were being warned how air pollution may affect our lungs and make us weak. Now, we are facing this reality and much worse! High levels of air pollution may worsen Alzheimer's disease by speeding up the buildup of harmful proteins in the brain.
According to a new study, people with Alzheimer's disease who lived in areas with more air pollution had a greater buildup of these proteins and a faster decline in their thinking and memory skills.
The study, published in the JAMA Neurology from the Perelman School of Medicine at the University of Pennsylvania, showed that small toxins from pollution can damage our brain. The researchers explained that not only does this increase the risk of dementia, but it also makes Alzheimer’s worse. Could this mean pollution ages and damages our brain faster than our biological age? The researchers explored these question as well as how the small particles from pollution cause our brain health to deteriorate.
For the first time, researchers studied brain tissue from people who had Alzheimer's. They found that those who lived in areas with higher levels of tiny air particles, even for just one year, had more severe buildup of amyloid plaques and tau tangles. These are two key signs of Alzheimer's in the brain. These individuals also experienced a quicker decline in their mental abilities, including memory loss, poor judgment, and difficulty with daily tasks.
"This study shows that air pollution doesn’t just increase the risk of dementia—it actually makes Alzheimer’s disease worse," said Dr. Edward Lee, a co-director of Penn's Institute on Aging.
Air pollution contains very small particles, often called fine particulate matter or PM2.5. These particles are less than 2.5 micrometers wide—about half the width of a single spider web strand. They come from things like car exhaust, factory smoke, and wildfires. Because they are so small, they can be inhaled and absorbed into the bloodstream, causing health problems. Past studies have already linked PM2.5 to memory loss and cognitive decline.
Researchers looked at over 600 brain samples from a brain bank. By using satellite data and local air monitors, they were able to estimate the level of PM2.5 where each person lived. They found that for every small increase in PM2.5, the risk of more severe amyloid and tau buildup increased by 19 percent.
In addition, the study showed that those who lived in highly polluted areas and had more advanced brain damage also had more severe memory loss, speech difficulties, and poor judgment.
While this study focused on air pollution based on where people lived, researchers noted they couldn't account for other personal exposures, like secondhand smoke or exposure to chemicals at work.
According to Dr. Lee, "even just a year living in an area with high levels of pollution can have a big impact on a person’s risk for developing Alzheimer’s disease. It underscores the value of environmental justice efforts that focus on reducing air pollution to improve public health."
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Dengue is no longer the seasonal tropical infection many once assumed it to be, it has become a global health threat with alarming reach. According to the World Health Organization (WHO), dengue cases rose eight-fold between 2000 and 2019.
In 2023 alone, more than 5 million cases were reported across 80 countries. By mid-2024, that number had more than doubled in the Americas, with 10.6 million cases and counting. Experts warn the real figure is much higher due to underreporting and misdiagnosis.
Traditionally, dengue was confined to tropical and subtropical zones. But today, nearly half the world’s population, 4 billion people, live in areas at risk. Outbreaks are now appearing in unexpected places, including Europe and parts of the United States. Warmer, wetter climates linked to climate change, combined with rapid urbanization and global travel, have allowed Aedes mosquitoes to expand their territory. In São Paulo, Brazil, dengue cases even extended into the winter months of 2023, defying the usual seasonal pattern.
All four dengue virus types (DENV-1 to DENV-4) still circulate, but their distribution and dominance are shifting. In São Paulo, a 2023 study revealed that more than 93% of infections were caused by DENV-1, with cases rising significantly during unusual weather conditions.
The persistence of high rainfall and moderate temperatures has created near year-round breeding grounds for mosquitoes. These changes mean dengue is no longer predictable, it now surges outside typical monsoon or summer cycles.
One striking shift is who is getting severely ill. Dengue was once seen largely as a childhood infection, but doctors are reporting a surge in adult patients requiring intensive care. Even previously healthy adults are landing in ICUs with complications like fluid leakage, internal bleeding, and organ damage
This shift may be due to viral evolution and repeated exposures, while a first dengue infection often causes mild to moderate symptoms, a second infection with a different subtype can trigger severe, even life-threatening illness.
While dengue has long been nicknamed “break-bone fever” for its intense joint and muscle pain, new clinical patterns are being reported:
Prolonged illness: Earlier, many patients recovered within 5–7 days. Now, fatigue, low platelet counts, and weakness can drag on for 2–3 weeks in some cases.
Severe abdominal pain and vomiting: Doctors highlight these as early warning signs of severe dengue.
Dengue shock syndrome: A dangerous complication where plasma leakage leads to a sharp drop in blood pressure. Without urgent medical care, it can turn fatal within hours.
Unusual neurological and liver involvement: Some studies point to rising cases of encephalitis and liver complications, adding complexity to diagnosis and treatment.
These evolving symptoms are making dengue harder to distinguish from other viral illnesses like influenza or COVID-19, often delaying proper treatment.
The duration of dengue symptoms is also changing. While mild dengue typically clears in about a week, experts note that complications, prolonged weakness, and “post-dengue fatigue” are increasingly common. Climate-driven longer mosquito breeding seasons and multiple infections over a lifetime mean more people are being hit harder and taking longer to recover.
Three major factors fuel this crisis:
Despite rising cases and changing patterns, dengue remains preventable. Avoiding mosquito bites, through repellents, protective clothing, and eliminating stagnant water, is still the best defense. Vaccines exist but are currently limited to certain age groups with prior dengue exposure. Experts stress early recognition of symptoms and prompt medical care as the difference between recovery and life-threatening complications.
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