Immunity Page 299
More in Immunity
Is Brown Mold Dangerous? Health Risks Explained
Brown mold can range from harmless to harmful depending on the species. Learn what health risks to watch for and when to call a professional.
How to Prevent Lupus: Steps to Reduce Your Risk
Lupus can’t be fully prevented, but certain lifestyle choices may lower your risk. Learn which environmental and hormonal factors are worth knowing about.
What Is Behçet’s Disease: Symptoms, Causes & Treatment
Behçet’s disease causes recurring ulcers, eye inflammation, and other symptoms. Learn what triggers it, how it’s diagnosed, and how treatment is tailored to you.
Is 101.6 a Fever? What It Means and When to Worry
101.6°F is a mild fever your body uses to fight infection. Learn what it means, how to stay comfortable, and when it’s time to call a doctor.
What Is Shingles? Symptoms, Causes, and Treatment
Shingles is a reactivation of the chickenpox virus that can cause a painful rash and lasting nerve pain. Learn how it’s treated and prevented.
What Are NK Cells? The Immune System’s Natural Killers
NK cells patrol your body for infected and cancerous cells, killing threats without prior exposure. Learn how these immune cells work and why they matter.
How to Reduce Allergies From Triggers to Treatment
Practical ways to reduce allergy symptoms, from filtering indoor air and managing pet dander to finding the right medications and long-term treatments.
What Is the Flu? Symptoms, Causes, and Treatment
Learn how the flu virus works, what symptoms to expect, how it differs from a cold, and when to seek treatment or get vaccinated.
Is Food Poisoning Deadly? Dangers and Warning Signs
Food poisoning is rarely fatal, but certain pathogens and vulnerable groups face real risks. Learn which warning signs mean it’s time to seek medical care.
How Is Typhus Spread? Lice, Fleas, and Chiggers
Typhus comes in three forms, each spread by different bugs. Learn how lice, fleas, and chiggers transmit the disease and how to protect yourself.
How to Prevent Strep Throat: What Actually Works
Good hand hygiene and a few household habits can meaningfully lower your chances of catching or spreading strep throat.
What Is PANDAS? Symptoms, Causes & Treatment
PANDAS is a condition where strep infection triggers sudden behavioral and neurological symptoms in children. Learn how it’s diagnosed and treated.
How to Treat Chickenpox Symptoms and Prevent Scars
Practical tips for managing chickenpox at home, from soothing itchy skin to preventing scars and knowing when to see a doctor.
How Long Is the Flu Contagious? A Day-by-Day Timeline
The flu is contagious before symptoms appear and for days after. Learn how long you’re likely to spread it and when it’s safe to return to normal life.