Biology Insights

Regular cannabis use carries real health risks, from memory and mental health effects to heart, lung, and dependency concerns — here's what the research shows.

Hives can stem from allergies, infections, stress, or autoimmune conditions. Learn what's likely causing yours and when it's time to seek medical care.

Fungal acne often itches, unlike regular acne. Learn why it happens, how to spot it, and what treatments actually help.

Learn how poliovirus travels through the body, attacks the nervous system, and why some infections lead to paralysis or breathing problems.

Most bronchitis cases don't need antibiotics. Learn what actually helps, from home remedies to OTC options, and when to see a doctor.

A fruitarian diet centers on eating mostly raw fruit. Learn what it involves, why people try it, and the nutritional risks worth knowing before considering it.

Disordered eating is more common than you might think. Learn what it looks like, why it develops, and how it differs from a clinical eating disorder.

Citrulline malate is a popular workout supplement. Learn what it does, whether it actually improves performance, and how to use it safely.

Prediabetes means your blood sugar is high but not yet diabetic. Here's what that looks like in your body and how lifestyle changes can bring it back to normal.

C. diff infections cause serious gut damage and can keep coming back. Learn who's at risk, what symptoms to watch for, and how it's treated.

Flovent contains a corticosteroid, but very little reaches your bloodstream. Learn how it works, its side effects, and what to know for kids.

Learn why headaches hurt despite the brain feeling no pain, and how tension, migraine, and cluster headaches each work differently.

Anemia has many causes, from low iron and B12 to chronic illness and genetics. Learn what's behind yours and why getting the right diagnosis matters.

Bradycardia means your heart beats slower than normal. Learn what causes it, when it's harmless, and when it needs medical attention.

Anxiety is a normal emotion, but it can become a disorder. Learn where that line is and what sets everyday worry apart from a clinical condition.

Foot odor comes from bacteria, sweat, and sometimes fungi. Learn what's actually causing the smell and simple ways to keep it under control.

Malaria treatment depends on the type of parasite, severity, and where you are. Learn which medications work, why location matters, and what recovery involves.

Parainfluenza is the main virus behind croup, but it's not the only one. Learn what causes that distinctive barking cough and when to seek medical care.

Sepsis can turn life-threatening within hours. Learn how it progresses, who's most at risk, and what recovery really looks like.