Health Mind & Brain

Thousands of Swedes are inserting microchips into themselves – here’s why

Thousands of Swedes are inserting microchips into themselves – here’s why

Thousands of people in Sweden have inserted microchips, which can function as contactless credit cards, key cards and even rail cards, into their bodies. Once the chip is underneath your skin, there is no longer any need to worry about misplacing a card or carrying a heavy wallet. But for many people, the idea of carrying a microchip in their body feels more dystopian than practical.

You’re eating microplastics in ways you don’t even realize

You’re eating microplastics in ways you don’t even realize

We’re increasingly aware of how plastic is polluting our environment. Much recent attention has focused on how microplastics – tiny pieces ranging from 5 millimetres down to 100 nanometres in diameter – are filling the seas and working their way into the creatures that live in them. That means these ocean microplastics are entering the food chain and, ultimately, our bodies.

The secret information hidden in your hair

The secret information hidden in your hair

Your hair can say a lot about you. It doesn’t just give people clues about your personality or your taste in music. It can also record evidence of how much you drink, whether you smoke or take drugs, and perhaps even how stressed you are. My colleagues and I research how hair can be used to provide more accurate testing for these attributes. And a recent court case shows how far the technology has come.

Sleep problems are influenced by our genes – but this doesn’t mean they can’t be fixed

Sleep problems are influenced by our genes – but this doesn’t mean they can’t be fixed

Some people struggle greatly with sleeplessness, whereas others appear to be able to nod off effortlessly, regardless of the circumstances. Perhaps the most obvious explanation for differences between us in terms of our sleep is the environmental challenges that we face. An unrelenting stint at work, relationship difficulties or receiving bad news are just some of the many life challenges that can lead to sleepless nights.

Mind molding psychedelic drugs could treat depression, and other mental illnesses

 Mind molding psychedelic drugs could treat depression, and other mental illnesses

It seems that psychedelics do more than simply alter perception. According to the latest research from my colleagues and me, they change the structures of neurons themselves.It seems that psychedelics do more than simply alter perception. According to the latest research from my colleagues and me, they change the structures of neurons themselves.

Spending time alone in nature is good for your mental and emotional health

 Spending time alone in nature is good for your mental and emotional health

Today Americans live in a world that thrives on being busy, productive and over scheduled. Further, they have developed the technological means to be constantly connected to others and to vast options for information and entertainment through social media. For many, smartphones demand their attention day and night with constant notifications.