While, technically, it is, but the packaging might make it harmful for us. As per a November 2024 study published in Chemosphere, researchers tested three different brands of tea bags for exposure of microplastics, which are also degraded plastic bits that do not breakdown and found that it could impact human health.

What were the findings?

The team found that brewing tea in polypropylene, essentially plastic bags, or a common tea bag material actually released over a billion particle per milliliter of tea. In fact, what we think as the paper bags, made of cellulose and mesh nylon bags also shed millions of plastic particle per milliliter.

John Meeker, a professor of Environmental Health Sciences and Global Public Health at the University of Michigan School of Public Health said finding such high amounts of micro and nanoplastics in a product that is supposed to be consumed is a cause of concern.

How was the study conducted?

The researchers first extracted plastics from brewed tea and then exposed them to human intestinal cells that absorbed the plastic particles. It showed that microplastics could remain in the body even after drinking the tea.

The study author Alba Garcia-Rodriguez, a researcher in the Department of Genetics and Microbiology at the Universitat Autonoma de Barcelona said the research calls attention to the path of substantial exposure to plastic particles which are also found in everyday lives. "We have to be concerned about the huge number of single-use plastic that humans are exposed to daily," she said.

How was the test conducted?

Similar tests have been conducted previously. In 2019, a Canadian study was the first one to test nylon and polyethylene tea bags which released 11.6 billion microplastics and 3.1 nanoplastics, measuring less than a micron into a single cup of tea.

In another study from 2023, conducted by Garcia-Redriguez and colleagues, one brand of tea bags were tested that was made of polylactic acid, a biodegradable plant-based plastic. The study showed that it released 1 million nanoplastic particles per tea bag.

For this 2024 study, the research team set broadened their scope by testing out for various materials. They obtained empty tea bags made from three commonly used materials: polypropylene, nylon, and cellulose.

The team simulated typical tea-brewing conditions (without tea leaves) by steeping the bags in sterile water heated to 95°C (203°F) while stirring continuously. They then measured how many plastic particles each material released.

The results revealed that polypropylene bags shed the highest amount of microplastics—approximately 1.2 billion particles. Cellulose paper bags came next, releasing 135 million particles per milliliter, while nylon mesh bags released 8.18 million particles.

The study revealed that hot temperature water exposure and also the stirring of spoon can cause tea bags to "leach plastics".

When the plastics were exposed to humans, it showed that cells absorbed the microplastics, including the mucus cells, as they had the highest uptake of particles. After 24 hours, the particles reached the nucleus of the cells, which houses the DNA.

Health Impacts

Experts find the results concerning, as ingested microplastics could enter the bloodstream after targeting tissues in the gastrointestinal tract, potentially spreading to other organs. While chemicals added during plastic production have been linked to issues like endocrine disruption and cancer, the health effects of ingested microplastics remain unclear. Scientists caution against drawing conclusions, noting that human studies on microplastics are still limited and much more research is needed.

How can one reduce the exposure to plastics? The best way possible is by buying loose leaf, even when you are using green tea, which, is mostly used in tea bags, as a way to make it instantly. In case you are in rush, you can always use the steel infuser to use it as a replacement of plastic tea bags for an instant cup of tea.

While morning sun beams are said to be a productive and a consistent start to the day, evening workouts are known for reducing stress after a monotonous routine.

But while experts have dividing views on which time is better for a session, research shows that both have their own benefits.

Here’s why getting a quick workout done before work is good for you:

1. Improve Cognitive Function And Productivity

Morning exercises also stimulates the release of neurotransmitters like dopamine (feel-good) and norepinephrine (fight-to flight), increasing blood flow which keeps you attentive throughout the day.

2.) Reduced Muscle And Joint Stiffness

Seated knee extensions, hamstring stretches and mini squats ease inflammation in knees and joints, which further improves mobility.

3.) Boost Metabolism and Positive food choices

By utilising store fat as fuel, exercising in the early hours stabilizes blood sugar and reduces cravings for unhealthy food. Workouts also allow muscles to absorb glucose from the blood preventing spikes after breakfast and during the day, preventing the development of Type-2 diabetes in the future.

4.) Positive Psychological Impact

You will feel a sense of accomplishment and achievement before starting the day which can boost overall brain health.

However, evening workouts also have many advantages including:

1.) Enhanced Physical Performance

This leverages the body's natural circadian rhythm in the evening which increases flexibility, strength and potentially allows for more vigorous workouts.

Research shows that individuals may take up to 20 percent longer to reach exhaustion, allowing time for heavy weightlifting and intense cardio effective for weight loss.

2.) Promotes Better Sleep

Exercising in the evening, improves blood vessel elasticity and reduce vascular resistance that overall helps to regulate cardiovascular health.

Consistent evening exercise stabilises heart health, experts observe that workouts can keep blood pressure lower for up to 24 hours.

3.) Increased Calorie Burn

In the evening, the body is better able to absorb and transport oxygen to active muscles leading to improved energy during exercise.

4.) Appetite Regulation

High-intensity evening exercises can reduce levels of ghrelin, the hormone that triggers hunger, which manages calories and regulates appetite.

AI-generated videos with deep, dramatic voiceovers are flooding TikTok and Instagram, promising that a spoonful of chia seeds in water can fix digestion, melt fat and transform gut health almost overnight. The clips look slick, confident and science-backed. But experts say this latest wellness trend needs a reality check.

The chia seed challenge and the social media hype

The so-called chia seed challenge has exploded online, with millions of views across platforms. Health and wellbeing influencers, along with AI creators, are pushing the tiny seeds as a cure-all for weight loss and bloating. While chia seeds are not new to nutrition science, dieticians and media experts warn that social media often stretches the truth.

With so much content out there, it has become harder to tell what is genuine health advice and what is exaggerated clickbait.

What exactly are chia seeds?

Chia seeds come from the flowering plant Salvia hispanica, which resembles lavender. Native to Mexico, chia was a staple in the Aztec diet and has since been introduced to parts of Australia, including the Northern Territory, Queensland and Western Australia’s Ord Valley in the Kimberley.

They are commonly added to smoothies, overnight oats, puddings and even homemade jams. Found in supermarket health aisles, chia seeds can be black or white, with no nutritional difference between the two.

Are chia seeds actually good for you?

Amelia Harray, a dietician at the University of Western Australia, told ABC News, chia seeds deserve their reputation as a nutritious food, just not the miracle status social media gives them.

“Like lots of nuts and seeds, chia seeds are absolutely superfoods,” Dr Harray said. “They are about 24 per cent protein and they are a complete protein source, meaning they contain all nine essential amino acids.”

Chia seeds are also high in fibre, around 33 per cent, including both soluble and insoluble fiber. According to Dr Harray, fibre supports gut health, helps lower cholesterol and keeps you feeling full for longer.

However, she warned against suddenly consuming large amounts. “If someone has a very low-fiber diet and then starts eating lots of chia seeds, they might experience bloating or abdominal cramps,” she said.

Read: Superfood Chia Seeds Can Also Be Risky For Some, Know Who They Are

Do you need to soak chia seeds first?

One popular claim online is that chia seeds must be soaked to “activate” their benefits. Dr Harray says that is not true.

“We know you do not need to soak chia seeds to get the nutritional benefits,” she said. “That idea is not supported by evidence.”

Chia seeds can be eaten soaked or unsoaked, sprinkled over yoghurt or cereal. When soaked, they form a gel, which some people find easier on digestion. Dr Harray does caution against eating dry chia seeds by the spoonful, as they can swell and become a choking risk.

Why you should question viral health videos

Tama Leaver, a professor of internet studies at Curtin University, says the chia trend is part of what he calls the “wellness loop.”

“Some creators stick close to health advice, but others push it as a miracle cure,” Professor Leaver said. “That exaggeration is how they get clicks and make money.”

He added that AI-generated videos make it even harder to trust what you see. “We cannot take anything at face value,” he said, urging users to check who is behind the content and whether claims are backed by real evidence.

In short, chia seeds can be a healthy addition to your diet. Just do not believe every booming AI voice that promises they will change your life overnight.

In one of his recent podcasts, GP and The Doctor Will See You Now author, Dr Amir Khan claims that cod liver oil is not the best source for omega-3 and it is best to consume algae oil instead.

He said, “I know it’s hard to believe that fish are not the real source of omega-3. They are basically like the middleman. This simply implies that fish don’t make their own omega-3. So where do they get it from?

"The real omega-3 factories are microscopic marine algae and phytoplankton, and fish build up those omega-3 by eating them in the food chain but it all starts with them. So when you take a fish oil supplement, you’re getting omega-3 second-hand.”

What Is Cod Liver Oil?

Extracted from the liver of cod fish, this oil is an incredibly efficient source of essential omega-3 fatty acids. It is also loaded with vitamins A and D. One tablespoon of cod liver oil delivers 170 percent of the daily recommended value of vitamin D and 453 percent of vitamin A.

Vitamin A prevents cellular damage from oxidation, which contributes to the development of glaucoma while acids like DHA and EPA lower pressure and increase blood circulation in the eye, which also helps stall the progression of glaucoma.

Since cod liver oil contains both vitamin A and omega-3 fatty acids, it’s a powerful weapon in fighting cancer, as its anti-inflammatory properties help prevent cancer cell development, but it could also be used to treat cancer.

Cancerous tumors need to create new blood vessels to grow, a process called angiogenesis. Cod liver oil prevents angiogenesis and disrupts cancer cell reproduction, interfering with tumor growth.

One tablespoon of cod liver oil contains:

• Calories: 123
• Protein: 0 grams
• Fat: 14 grams
• Carbohydrates: 0 grams
• Fiber: 0 grams
• Sugar: 0 grams

How Is Algae Oil Better?

Additionally, since it is produced in controlled environments (fermentation), algae oil is free from ocean-borne contaminants like mercury, PCBs, and microplastics that can accumulate in fish.

Moreover, while cod liver oil provides Vitamins A and D, algae oil provides a more concentrated source of omega-3 DHA, which is highly beneficial for brain and heart health.

Experts also note that algae oil is very high in omega-9 fatty acids, a type of monounsaturated fat that helps reduce inflammation and the risk of Type 2 diabetes.