The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts
Long thought to be sterile, our brains are now believed to harbour all sorts of micro-organisms, from bacteria to fungi. How big a part do they play in Alzheimer’s and similar diseases?
Attention deficit hyperactivity disorder affects about 2.6 million people in the UK, yet misinformation about the condition is rife. Here we separate scientific fact from TikTok-fuelled fiction