Dr. James Harrington
A veterinarian with 15 years of clinical and educational practice, Dr. Harrington specialises in translating complex medical topics into language pet owners can actually use. His writing combines clinical depth with scientific accuracy, drawing on AVMA, WSAVA, and evidence-based veterinary guidelines to help owners understand what is happening inside their pet — and what to do about it.
- Credentials
- DVM, MRCVS, 15 years clinical and educational practice
- Focus
- Scientific
Authored Guides
Monsoon Aquarium Care: Nitrate and pH in Vietnam
Vietnam's southwest monsoon brings heavy rain, power cuts, and humid heat that quietly destabilise freshwater tanks. This science based guide covers nitrate spikes, pH and KH swings, safe water changes, bioload control, and a daily June and July log.
Aquarium Oxygen and Heat in Thailand's Hot Season
Warm water holds less oxygen, and Thailand's hot season pushes tropical tanks to the edge. Learn the science, safe cooling, and a daily routine to keep fish breathing easy.
Canine Cooling Mats and Vests: The 2026 Science Guide
A clinical breakdown of how gel, phase change, and evaporative cooling gear actually lowers a dog's core temperature. Includes sizing for flat faced breeds, replacement cycles, and whether they beat a wet towel.
Smart Litter Boxes for Senior Cat Kidney Health 2026
A clinical look at how smart litter boxes use weight, urine volume, and visit frequency sensors to flag early chronic kidney disease in senior cats. Compares Petkit Pura Max, Litter-Robot 4, and Pawbby models, plus how to share the data with your veterinarian.
Understanding Pet Loss Guilt and How to Process It
Guilt after a pet's death, especially following euthanasia, is one of the most common and misunderstood grief responses. This guide explores why self-blame occurs, how to reframe it, and when to seek professional support.
NMN and NAD Supplements for Senior Cats in 2026
Emerging research suggests NMN may help restore declining NAD+ levels in ageing cats, supporting cellular repair and energy. This guide covers the science, dosing protocols, safety concerns, product quality, and compatibility with kidney supportive diets.
AI Pet DNA Tests: What Genetic Reports Reveal
AI pet DNA tests now screen hundreds of breeds and genetic conditions. This guide explains what the results mean, how accurate they are, and when to involve your veterinarian.
AI Water Fountains for Cats: Health Monitoring Guide 2026
Smart water fountains with AI now track your cat's drinking habits to flag early signs of kidney disease and diabetes. This guide covers sensor accuracy, brand comparisons, cleaning schedules, and how the data can support your veterinarian.
Mushroom Supplements for Dogs and Cats: 2026 Guide
Turkey tail, lion's mane, and reishi mushrooms are increasingly popular pet supplements, but do they work? This guide covers veterinary evidence, dosing by body weight, safety considerations, and how to spot quality products.
How to Calculate Your Pet's Diet Pawprint in 2026
A science based breakdown of carbon emissions by protein source, packaging waste, and local versus imported ingredients in pet food. Practical swaps that reduce environmental impact without compromising your pet's nutrition.
Probiotics for Dogs and Cats: A Science Based Guide
Learn what probiotics actually do inside your pet's gut, how to read CFU counts on labels, and which products veterinarians recommend. This guide also covers whether homemade kefir is a safe alternative.
Why You Should Never Shave a Double-Coated Dog
Shaving a double-coated dog can cause permanent coat damage, increase sunburn risk, and actually make your dog hotter. Learn the science behind thermoregulation and safer cooling alternatives.