From an elevated heart rate to weakened immunity, experts explain the hidden physical costs of chronic stress – and why our bodies aren’t built to stay on high alert
With my usual espressos off the menu, I was looking at a future of sluggishness and headaches. Then I embraced an alternative caffeine delivery system, writes Zoe Williams
When Leah and I planned a family, we wanted to be as mutual as possible. Could reciprocal IVF – Leah carrying an embryo made from my egg – be the way forward?