ScienceInsights

White fish leads for iodine, but seaweed is unpredictable and cooking matters more than most people realize. Here's how seafood sources actually compare.

Petechiae are tiny red or purple skin spots that can be harmless or signal something serious. Learn what causes them and when to see a doctor.

Never had an orgasm? Learn the common causes—from stimulation type to medications—and practical steps that can help.

Glutathione has mild effects on platelets and blood flow, but it's not a blood thinner—and it may interact with warfarin. Here's what to know.

Your employer likely offers free, confidential counseling through an EAP. Here's how to find it, use it, and understand what it covers.

Learn what precum is, what it does in the body, whether it can contain sperm, and how it differs from semen.

Sexual desire is rooted in brain chemistry, hormones, and biology. Here's what science says about why humans crave sex and why drive varies so much.

Cymbalta can cause side effects ranging from nausea to withdrawal symptoms. Here's an honest look at the risks and who should be cautious about taking it.

Hand numbness is often harmless, but which fingers tingle and when it happens can point to causes ranging from sleep position to nerve compression or vitamin deficiency.