The obesity era
As the American people got fatter, so did marmosets, vervet monkeys and mice. The problem may be bigger than any of us
If you have a mouthful of teeth shaped by a childhood in poverty, don’t go knocking on the door of American privilege
The case against sugar
A potent toxin that alters hormones and metabolism, sugar sets the stage for epidemic levels of obesity and diabetes
One week, no food
Intrigued by the buzz around medical fasting, I tried it. A rollercoaster of boredom and energy ensued
Bullying doctors are not just unpleasant, they are dangerous. Can we change the culture of intimidation in our hospitals?
Escape from the matrix
The fear of missing out haunts our social networks and our real lives alike. But there is a way to break free
Cutting brings relief because emotion and pain criss-cross in the brain. Can we untangle the circuits and stop self-harm?
Falling for sleep
When wakefulness is seen as the main event, no wonder so many have trouble sleeping. Can we rekindle the joy of slumber?
When I stopped smoking weed, my appetite shrivelled and my head throbbed – but it was the dreams that really shook me
The Geel question
For centuries, a little Belgian town has treated the mentally ill. Why are its medieval methods so successful?
The longevity gap
Costly new longevity drugs could help the wealthy live 120 years or more – but will everyone else die young?
When is stress good for you?
The subtle flows and toxic hits of stress get under the skin, making and breaking the body and brain over a lifetime
Freedom from food
It takes time to plan a meal, to say nothing of cooking and eating it. What if we could opt out of food altogether?
The end of night
An eternal electric day is creeping across the globe, but our brains and bodies cannot cope in a world without darkness
Against the grains
A carbs-rich diet has been blamed for the alarming explosion of obesity and chronic disease. What does the science show?
Death of cancer
A critical mass of medical knowledge could soon end the death threat of cancer, but politics stands in the way
How plagues really work
The next pandemic will erupt, not from the jungle, but from the disease factories of hospitals, refugee camps and cities
The healing power of nature
The idea that immersing yourself in forests and nature has a healing effect is far more than just folk wisdom
The 12-step dogma
The new science of addiction makes 12-step programmes seem like folk medicine. Is the concept of a higher power obsolete?
A good trip
Researchers are giving psychedelics to cancer patients to help alleviate their despair — and it’s working
Life in Circadia
The ticking of the bodyclock can help us fight cancer, safeguard our hearts, time our meals, and enhance our intelligence
We yearn for silence, yet the less sound there is, the more our thoughts deafen us. How can we still the noise within?
The power of fat
Human fat cells can be used to regenerate damaged hearts and ageing joints. So should we start piling on the pounds?
Solitude is enlightening but if it does not lead us back to society, it can become a spiritual dead end
Do some harm
Traditional Chinese medicine is an odd, dangerous mix of sense and nonsense. Can it survive in modern China?
Fat but fit?
The medical evidence is overwhelming – obesity is bad for you and it would be a major mistake to give up fighting it