YOUR QUESTIONS / HEALTH ON THE HIGH STREET / BUTTER

Medicinal mushrooms are having a moment. Fungi experts Christopher and Katherine Parker dig into their favorite functional varieties and unearth the research that shows why these mushrooms matter

Tobacco—and, by extension, nicotine—has a reputation for health harm, but separating the two could lead to breakthroughs in fighting Covid and other illnesses. Cate Montana investigates

Lynn Farram and the congregation of Christ Church, Norris Green, Liverpool

The SAS (Special Air Service) make routine use of sleep-deprivation exercises in their selection process, and these often feature in later training. Hallucinations during such exercises are very commo

The astounding biodiversity in the country’s Amazon region gives rise to one of nature’s richest larders