Carissa Wong

During sleep, your brain cleans itself by flushing through cerebrospinal fluid to prevent damage to brain cells. If you're lacking in sleep, this happens when you are awake - and seems to cause momentary lapses in attention

During sleep, your brain cleans itself by flushing through cerebrospinal fluid to prevent damage to brain cells. If you're lacking in sleep, this happens when you are awake – and seems to cause momentary lapses in attention

It has remained mysterious for millennia, but we’re finally uncovering the profound role the lymphatic system plays in everything from preventing dementia to fighting cancer

Keith Thomas, a man in his 40s with no sensation or movement in his hands, is able to feel and move objects by controlling another person's hand via a brain implant. The technique might one day even allow us to experience another person's body over long distances.

People with irritable bowel syndrome are often only given treatments like cognitive behavioural therapy after others have failed, but research suggests this approach is more effective than we thought

The rhythm of an infant's brain activity seems to put them in constant learning mode, whereas that of an adult may allow them to retrieve conceptual knowledge

Half a decade since the arrival of the SARS-CoV-2 virus, we're still learning about its complications, with the latest research suggesting that long covid may disrupt menstrual periods

Inflammation is a vital part of the immune response, but it seems that the system can sometimes go awry, resulting in chronic inflammation that has been linked to conditions such as cancer

Trial participants who received an increased weekly dose of Wegovy lost 19 per cent of their body weight in a year on average, but also saw a higher risk of painful skin sensations and nausea

A part of the brain that is about the size of a sunflower seed in people could play a big role in our food consumption

About half of people with generalised anxiety disorder don’t respond to common treatments with antidepressants – but psychedelics may offer relief

Hepatitis B vaccine linked with a lower risk of developing diabetes

A device that has been likened to a pacemaker for the brain has given a man with severe depression great relief

Nine species of fungi and bacteria have been found in cocoa beans that produce fine chocolate, and this knowledge could help producers develop better flavours

Mice with a handful of cancerous cells in their lungs experienced a 100-fold increase to this number after being infected with swine flu

Feeling profound grief years after a loved one has died could affect our own longevity

Keeping a baby's skin moisturised could significantly reduce their risk of eczema - but perhaps only for babies that aren't genetically at risk

People who follow a gluten-free diet in the hope of it calming their irritable bowel syndrome may actually be able to tolerate the common dietary protein

We commonly think that sperm determines the sex of a child, depending on whether it carries an X or Y chromosome, but a study now suggests that a woman's age is also a factor

Lara Lewington's Hacking Humanity looks at the fabulous technology that is changing healthcare. But where is the critical analysis?