Latest blog posts

The average adult catches between two and four colds each year, while children may have considerably more because their immune systems are still developing.

Cortisol is a hormone made by your adrenal glands, two small glands that sit above your kidneys. It's often called the “stress hormone,” but according to the Society for Endocrinology, cortisol

Tonsil stones, or tonsilloliths, are small, hard, whitish or yellowish lumps that form when debris, dead cells, mucus, food particles and bacteria become trapped

A stroke happens when part of the brain is suddenly deprived of oxygen. This usually occurs because a blood vessel becomes blocked

Concussion is a temporary disturbance of brain function caused by a blow, bump or jolt to the head, or a forceful movement of the head or body. It's a mild form of traumatic brain injury

A patient came to see me last summer with a neat row of itchy red bumps across both ankles, convinced she'd picked up something exotic on holiday.

Part of managing heatwave anxiety honestly involves acknowledging that some worry is proportionate.

Brain fog is a symptom, not a diagnosis; it's almost always a sign of something else that can usually be identified and treated.

Sleep apnea (sleep apnoea) is a condition where your breathing repeatedly stops and starts while you sleep, usually because your airway narrows or collapses.

Pancreatitis is one of the few conditions covered in this series where getting the safety information right matters more than almost anything else I could tell you.

A patient in her early sixties once came to see me after a minor fall in her garden left her with a broken wrist,the sort of fall she’d have shrugged off a decade earlier.

Sciatica is one of the most common reasons patients come to see me about pain, and also one of the most misunderstood. This guide explains