ScienceInsights

Vertigo has several distinct causes, from loose ear crystals to inner ear infections. Learn what's likely behind your spinning sensation.

90mg of caffeine is a moderate dose, but how it feels depends on your body. Learn what to expect and how it fits into a healthy daily intake.

Rheumatoid arthritis stems from a mix of genetics, smoking, gut bacteria, and hormones that together push the immune system to attack your joints.

Thinking about getting an antibody test? Here's what to expect, how much it costs, and how to make sense of your results.

Sweet potatoes offer a modest amount of protein, but their real nutritional value lies elsewhere. Here's what the numbers actually show.

Green beans offer a solid mix of vitamins C, A, K, and folate. Learn what nutrients they contain and how cooking methods affect their nutritional value.

Learn how much ground flaxseed to eat daily for health benefits, what the research says about safe upper limits, and who should be cautious.

Foot odor comes from bacteria, not sweat itself. Learn what's really causing the smell and practical ways to keep your feet fresh.

Genital herpes can look different depending on the stage and the person. Learn what to expect from early symptoms to healing, and how to tell it apart from other conditions.

High-functioning autism is a term many still use, but clinicians are moving away from it. Here's what it means, its limits, and what's replacing it.