As per the World Health Organization, all but 1% of the world's population is exposed to unhealthy air and also exceeds the WHO limits for pollutants. However, there are some parts of the world where aur quality has improved through policies that limits pollution, while in other parts, it has not reached the desired results.

For US, more than 25% of the population is exposed to "unhealthy" air as per the Environmental Protection Agency (EPA), this is according to the report by the climate non-profit First Street Foundation. By 2050, the number of people exposed to "unhealthy" air will increase by more than half. The worst days of air pollution, reports BBC, "hazardous" or maroon under the EPA's system will rise by 27%.

Why are we talking about this today? It is because of the recent wildfire in California, which started on January 7. This is also one of the factors that is spiking the PM2.5 levels. It has increased by up to five micrograms per cubic metre in the western US in the past decade.

What is PM2.5?

It is a type of air pollution which is made of particulate matter and measures 2.5 micrometres across or less. It is roughly 30 times smaller than the width of a human hair. These particles are made with a mixture of solid and liquid substances, which varies in their chemical composition, including carbon, metals, and organic compounds.

These specks of airborne soot, dust and other substances can also trigger inflammation, which could also damage your brain.

As per a 2021 study titled The Changing risk and burden of wildfire in the United States, a quarter of US's PM2.5 pollution was caused by wildfire smoke. In 2023, US also witnessed a significant dip in air quality and visibility as smoke from wildfires north of the Canadian border entered across the continent. In May 2024, Canada also saw a start to its wildfire season, and one town was evacuated in British Colombia.

Wildfire smoke and its effects

Wildfires do not only affect those who live near forests, peatlands, and grasslands, but also to the cities and environment in general. It can send plumes up to 14 miles or 23km into the stratosphere, and from there, it can spread all over the globe. For instance, in 2023, the Siberian wildfires released smoke that travelled across the Pacific Oceans to reach Alaska and Seattle.

Other than PM2.5, wildfire smoke is also harmful to immune cells in lungs, and the toxicity could be four times greater than particulates from other types of pollution.

Another 2019 study titled Effects of Atmosphere Processing on the Oxidative Potential of Biomass Burning Organic Aerosols found the toxicity of smoke doubled in the hours after it was first emitted and reached four times greater toxicity at its peak.

Health Impact

There have been research that shows how pollution affects your brain. It can lead to impaired judgment, poorer performance in school and even higher levels of crime, as per the 2018 study by the London School of Economics.

Other health concerns include weight gain. There have been researches that links airborne pollution such as PM2.5 to obesity. The studies have found that children who live in most polluted areas are twice as more likely to have obesity. Some studies also find the link of air pollution harming our sense of smell. As per an Italian study from 2022, titled Association between environmental air pollution and olfactory functioning among Italian adolescents and young adults in Northern Italy, noses of teenagers and young adults became less sensitive to odors after being exposed to nitrogen dioxide, which is a component in traffic fumes.

When it comes to dinner, many of us focus on what we eat, aiming for healthy and delicious food. But we often don't think about when we eat it, squeezing dinner in whenever our busy schedules allow. However, a growing amount of research suggests that when you eat can be just as important for your health as what you eat. And it seems that eating dinner earlier might be the way to go.

What's the Best Time for Dinner?

Scientists haven't found one single "perfect" dinner time, but it's generally best to avoid eating late for your metabolism. Try to finish dinner at least two hours before you go to bed, and ideally even longer. According to a 2024 study published in the JAMA Network Open, good goal is to eat dinner sometime between 5 p.m. and 7 p.m.

Of course, life happens, and sometimes you'll have to eat later. If it's just occasionally, don't worry too much. Just try not to eat a very large meal right before bed. In fact, research suggests that dinner shouldn't be your biggest meal of the day, which is different from what many Americans are used to. Instead, try to eat most of your calories earlier in the day, around when you wake up or in the middle of the day.

Why Does When You Eat Dinner Matter?

Our bodies have internal "clocks" that manage how we function throughout the day. This means that the exact same meal can affect your body differently depending on the time you eat it.

For instance, one study found that when healthy young adults ate the same dinner at 10 p.m. instead of 6 p.m., their blood sugar levels went higher and their bodies processed fat less effectively. Late dinners can have this impact even if you're not eating right before bed.

One reason for this could be melatonin, a hormone your body releases at night to help you sleep. As melatonin levels rise, it seems to make it harder for your body to control blood sugar, leading to bigger and longer-lasting spikes after a late meal. Research also shows that eating dinner late can make you hungrier, cause your body to burn fewer calories, and even lead to changes in your body that promote fat gain.

How Late Dinners Affect Your Health

While many studies on meal timing are done in controlled lab settings, the findings suggest that regularly eating dinner late could increase your risk for health problems like type 2 diabetes and obesity. Many studies have already shown this connection. On the other hand, eating more of your calories earlier in the day seems to help with weight loss and improve signs of good metabolic health.

It's not just about metabolism either. Other research suggests that people who stop eating after 6 p.m. tend to get more sleep than those who eat until midnight. There's even a serious study from 2024 that links late eating to a higher risk of death. So, the general advice is clear: for most people, it's best to limit how much food you eat during the nighttime hours.

Tips for Eating Dinner Earlier

If you're used to eating late, changing your routine can be tough. To make the switch easier, start by making changes earlier in your day. If you often skip breakfast and grab a quick, small lunch, you'll likely be very hungry by evening. So, make sure you eat good, hearty meals earlier in the day that include plenty of protein, fiber, and healthy fats. This will help you feel less hungry at night.

Some people also find it helpful to set a specific "cut-off time" after which they stop eating, rather than just vaguely aiming for an earlier dinner. If you try this, it's okay to start small. Begin by closing the kitchen just 30 minutes before bedtime, then extend it to an hour, and so on. The key is to start where you are and build up gradually.

An Australian man in his 50s has died after contracting Australian bat lyssavirus (ABLV), a rare but deadly virus closely related to rabies. The man, who lived in northern New South Wales, was bitten by a bat several months ago and succumbed to the infection this week after being hospitaliszed in critical condition.

In a statement released on Thursday, NSW Health confirmed the fatality and extended condolences: “We express our sincere condolences to the man's family and friends for their tragic loss. While it is extremely rare to see a case of Australian bat lyssavirus, there is no effective treatment for it.”

What Is Australian Bat Lyssavirus?

First identified in 1996, Australian bat lyssavirus belongs to the Lyssavirus genus, the same family as the classical rabies virus (RABV). Like its more globally prevalent cousin, ABLV causes a fatal form of viral encephalomyelitis—an inflammation of the brain and spinal cord. Once symptoms develop, there is no known cure or treatment.

Transmission occurs when the saliva of an infected bat enters the body through a bite or scratch. According to NSW Health, any bat in Australia—regardless of species—could potentially carry the virus. In this case, officials have not yet identified the exact bat species responsible for the infection.

Early Symptoms Often Misleading

The early symptoms of ABLV infection mimic those of the flu, including headache, fever, and fatigue, which can delay diagnosis. However, the disease rapidly progresses to paralysis, delirium, convulsions, and ultimately death.

Symptoms may appear days, weeks, or even years after exposure, adding another layer of complexity to diagnosis and response.

This recent death is only the fourth recorded human case of ABLV infection in Australia, and tragically, all four have been fatal.

A Preventable Tragedy

While the disease has no cure, prompt medical treatment after exposure can prevent infection. NSW Health strongly urges the public to avoid all contact with bats. In the event of a bite or scratch, the following steps should be taken immediately:

• Wash the wound thoroughly with soap and water for at least 15 minutes
• Apply an antiseptic with antiviral action
• Seek urgent medical attention for administration of rabies immunoglobulin and a rabies vaccine series

Dr. Jeremy McAnulty, Director of Health Protection at NSW Health, emphasized the importance of public awareness: “No matter how minor the scratch or bite may seem, immediate treatment is essential. Rabies vaccines are extremely effective when administered quickly.”

The Broader Context: Lyssaviruses and Rabies Risk

Australian bat lyssavirus may be rare, but its relation to rabies—one of the deadliest infectious diseases globally—makes it especially concerning.

According to a 2021 study titled "Rabies Infection: An Overview of Lyssavirus-Host Protein Interactions," lyssaviruses are negative-sense, single-stranded RNA viruses known to infect mammals and cause fatal encephalomyelitis. Despite differences in geography and host species, illnesses caused by rabies virus (RABV) and other lyssaviruses are virtually indistinguishable once symptoms appear.

Worldwide, rabies still causes approximately 60,000 deaths annually, mostly in Asia and Africa. The fatality rate of clinical rabies—once symptoms begin—is nearly 100%, underscoring the importance of pre- and post-exposure prophylaxis.

Flying Foxes and Microbats Under Scrutiny

ABLV has been found in multiple Australian bat species, particularly flying foxes and insect-eating microbats. These animals often come into contact with humans, especially in urban or suburban environments where bats may roost or forage.

Despite the important ecological role bats play—as pollinators, pest controllers, and seed dispersers—public health officials continue to stress no direct handling of bats by untrained individuals. Wildlife carers and veterinarians are advised to wear protective gear and be vaccinated against rabies.

Public Health Measures Going Forward

This latest case serves as a stark reminder of the persistent, though rare, risk that Australian bat lyssavirus poses to human health. NSW Health is reinforcing education campaigns and urging any bat encounters to be reported immediately.

Authorities continue to collaborate with wildlife and disease surveillance networks to monitor ABLV across bat populations and ensure rapid response to potential exposures.

In closing, NSW Health reiterated, “Although Australian bat lyssavirus cases are extremely rare, they are always fatal without timely treatment. Awareness and early action can mean the difference between life and death.”

During times of crisis or heightened emotions, we seek our elders for some clarity as well as for someone who will keep a cool head during these times. We are always told that wisdom and ways to handle difficult situations are things we gain as we age and a new study shows that this fact holds a lot of truth. We all remember our grandparents and how sweet, calm and patient they were, no matter how many times we messed up or did things that would anger our parents.

A new study suggests this isn't just a personality trait but a skill that improves with age, particularly for women. Research published in the journal Menopause indicates that as women age, especially from middle age onward, their ability to manage anger significantly improves.

Anger Intensifies, Expression Softens

Here's the interesting part: this doesn't mean older women feel less angry. In fact, the study, which looked at information from 271 women over many years, found that they actually reported feeling angrier more often and more strongly as they aged. But here's the key difference: they were much less likely to show their anger outwardly or act in a hostile way. So, even though the feeling of anger might be stronger, their ability to control how they react becomes much better. They might feel it, but they don't necessarily let it burst out.

Why the Shift?

So, why does this happen? Researchers have a couple of ideas. One thought is that as women reach middle age and go through menopause, they often feel a stronger sense of "generativity." This basically means they feel a deep need to help and care for others, especially younger generations, and to make a positive impact on the world. This feeling might help them become more emotionally mature and integrated.

Another idea is that women might become more strategic about how they express their anger. Instead of just lashing out, they might choose more positive and constructive ways to deal with their feelings, which can actually help improve their relationships. When women use anger in these more positive ways, they often feel more empowered and have better self-esteem.

Knowing When Your Anger Is A Problem

According to the American Psychological Association, anger management aims to lessen both the strong feelings of anger you experience and the physical reactions it triggers in your body. While you can't always avoid or change the people or situations that make you angry, you can learn to control how you react.

There are tests that can measure how intense your anger is, how often you get angry, and how well you handle it. However, if you're struggling with anger, you probably already know it. If your actions feel out of control or frightening to you, it might be time to seek help in finding healthier ways to deal with this powerful emotion.

What Does This Study Imply?

Experts point out that the changes women experience during menopause can really affect their mental well-being, both in their personal lives and at work. She explains that shifts in hormones during times like postpartum (after childbirth), during monthly periods, and around menopause can lead to strong mood swings, including feelings of anger and hostility. She stresses that if women are informed about these possible mood changes and get help managing their symptoms, it can make a huge difference in their overall quality of life and health. The study's authors also believe we need more research to understand women's anger in everyday situations, which can give us even more helpful tips on managing emotions and anger.