ScienceInsights

Learn the common and easy-to-miss signs of diabetes, how symptoms vary by type, age, and sex, and when to see a doctor.

Dry, cracked hands respond well to a few key ingredients and habits. Here's what the science says actually helps restore soft, healthy skin.

Cervical spine stenosis narrows the spinal canal in your neck, but most people manage it well with the right treatment. Here's what to know.

A 0.03% BAC feels mild, but it can affect driving and cross legal limits in some situations. Here's what to know.

Hyperlipidemia means too much fat in your blood. Learn what causes it, how it harms your arteries, and how diet, exercise, and medication can help.

Feeling sleepy? Learn how meals, light, temperature, medications, and more influence your daily tiredness and sleep patterns.

Red #40 is one of the most common food dyes around. Here's what it's made from, how your body handles it, and what to use instead.

Avocados are mostly monounsaturated fat, which supports cholesterol, nutrient absorption, and fullness. Here's what the research actually shows.

Acetylcholine controls muscle movement, memory, and more. Learn how this neurotransmitter works, where it acts, and what happens when it goes wrong.

Pelvic pain has many possible causes, from endometriosis to nerve compression. Learn what conditions are commonly behind it and when to seek urgent care.