A flurry of studies has found microplastics in nearly every organ in the human body, from the brain to the testicles. But very few have revealed whether these tiny bits of plastic impact our health

Our immune cells change a lot as the decades progress, which could explain why we become more susceptible to certain conditions

Mosquito larvae die after consuming hemp leaves because they react strongly to the cannabidiol in the foliage. The discovery might lead to the development of a new pesticide to control mosquito numbers

A beam of radioactive carbon ions has been used to destroy cancer cells in mice, demonstrating a therapy that may cause less collateral damage than current techniques

The latest research on caffeine reveals why coffee and decaf can be so good for your health, but energy drinks can be lethal

A new diet based on research into the body's ageing process suggests you can increase your life expectancy by up to 20 years by changing what, when and how much you eat

A better understanding of what happens to our bodies when we get fitter can unlock ways to speed up the journey – and it might be simpler than you think

People report greater life satisfaction six months after starting Parkrun events, which could partly be due to the supportive environment

Male pattern baldness could soon be a thing of the past, with new hair loss treatments beginning to show tantalising results

The compound creatine, a popular exercise supplement that only occurs naturally in animal products, could one day be produced in edible plants

The epilepsy medication sodium valproate is linked to developmental problems in fetuses, but lab studies may now have found a way to prevent this

Snoring is often viewed as harmless, at least to the snorer, but we are now uncovering its potentially serious effects on cardiovascular health. And finding ways to stop is surprisingly challenging

A monkey that performed poorly on vision tests did much better after having a stem cell transplant to patch up holes in its retina

For years, it seemed MDMA-assisted therapy would revolutionise PTSD treatment. But poor trial design and alleged misconduct ultimately stopped the treatment from receiving government approval

The 2024 Nobel prize in physiology or medicine has gone to Victor Ambros and Gary Ruvkun for their discovery that tiny pieces of RNA called microRNAs play a key role in controlling genes

Two more people in the US have tested positive for the H5N1 bird flu virus, highlighting the need for expanded influenza surveillance to prevent a potential pandemic

While the 20th century saw rapid rises in average life expectancy at birth, more recent years have seen a slowdown, suggesting we may be reaching the limit of human lifespan

Neuroscientists have been surprised to discover that the human brain is teeming with microbes, and we are beginning to suspect they could play a role in neurodegenerative disorders like Alzheimer's

More than 600 types of viruses that infect bacteria have been found living on toothbrushes and showerheads – and many of them have never been seen before

Popular weight-loss medications including Ozempic and Wegovy contain a drug that seems to decrease cravings for food and drugs – and now there’s evidence that it might make exercise less rewarding, too

How well do we look after people who are seriously sick? Astonishingly, research is scant – which makes Neil Vickers and Derek Bolton's ambitious new book, Being Ill, very welcome

New technologies will radically change the experience of living with and caring for someone with Alzheimer's, says Professor Fiona Carragher, chief policy and research officer at Alzheimer's Society, UK

A vaccination campaign targeting ducks, the farm birds most at risk of getting and spreading bird flu, succeeded in greatly reducing outbreaks of the virus on poultry farms in France

A chemical produced by gut bacteria could be the basis for a non-invasive test for endometriosis – and mouse experiments suggest it might also help treat the condition

Systems that can harvest water from moisture in the atmosphere could offer a valuable water source in the wake of disasters

Filters on commercial flights seem to stop peanut particles from circulating around aircraft, making the risk of a serious allergic reaction from inhaling the allergens very low

People who went from using social media for at least 2 hours a day to just 30 minutes a day reported no improvement to their sleep or emotional well-being

Cases of prostate cancer are surging alarmingly around the world. Thankfully, we are developing more accurate tests that can catch the condition early

People who listen to music after having surgery report lower levels of pain and require less morphine than those who don't

Rats perform better on memory tests when certain brainwave-producing neurons are stimulated while they sleep. If we can boost these brainwaves in people, it could help treat memory impairments in those with dementia

Everything you need to know about Rwanda's outbreak of Marburg virus, which has been described as one of the deadliest human pathogens

As more of us take up vaping and concerns rise about the long-term effects, we now have enough data to get a grip on the health impact – and how it compares to smoking

A researcher who underwent dozens of brain scans discovered that the volume of her cerebral cortex was 1 per cent lower when she took hormonal contraceptives

Zapping the skin with electricity could stop bacteria that live there harmlessly from entering the body and causing blood poisoning

Weaving tales of magical fruit and vegetables into your children's stories may encourage them to eat healthy snacks

New research into the moments between wakefulness and sleep could bring hope for insomniacs and even make us more creative problem-solvers

Computer simulations of how influenza A moves through human mucus found it is ideally configured to slide through the sticky stuff on its way to infecting cells

Recent research shows that anti-inflammatory diets are not as faddish as they might sound, with the power to reduce the risk of heart attacks and some cancers

Antibiotics can reduce diversity in the gut microbiome, raising the risk of infections that cause diarrhoea - and the effects may last years

Diets that claim to control excess oestrogen or stress hormones are all the rage on Instagram and TikTok. They could be good for us, just not for the reasons claimed

Most ingredients touted as the key to better health fail to live up to the hype but fibre bucks this trend, with benefits for the whole body, not just the gut

A massive undertaking to map cancer tumours is providing new insights into how the disease forms, evolves and develops resistance to treatments

From the benefits of fermented foods to diets that promise a better hormone balance, there is a confusing array of dietary advice out there

Our metabolism's response to food is highly idiosyncratic and there are hints that tailoring our diet to these personal differences can deliver health benefits

The Renaissance artist Michelangelo had carried out human dissections, which may have led him to include women with breast cancer in some of his pieces

We get about a quarter of our calories from snacks and new research shows that this isn't necessarily bad for us. Done right, snacking can boost our health

People conceived during the UK's 1940s and 50s sugar rationing have a lower risk of type 2 diabetes and high blood pressure than those conceived after rationing ended

The health benefits of fermented food and drink have long been touted, but firm evidence in favour of kombucha, sauerkraut and kefir is surprisingly elusive

A bird flu virus that has been circulating in dairy cattle for months has now been found in a pig in the US for the first time, raising the risk of the virus evolving to become more dangerous to people

Running, swimming, HIIT or walking – what is the best way to work out? The answer is complicated, and depends on the person, finds Grace Wade