ScienceInsights

A watery left eye is often caused by dry eye, blocked ducts, or irritants. Learn what's likely behind it and when to see a doctor.

Practical steps to help genital herpes sores heal faster, from starting antivirals early to sitz baths, pain relief, and what to avoid during an outbreak.

Learn how to check cervical mucus using three simple methods and understand what changes in texture and appearance mean for your fertility.

Learn how to track ovulation using cervical mucus, predictor kits, basal body temperature, and physical symptoms to identify your fertile window.

Sleeping with a stiff neck doesn't have to mean a rough night. Learn which positions help, what to avoid, and how to set up your bed for better neck relief.

Heart failure in your 20s is rare but not unheard of. Learn what causes it in young adults, why it often goes undiagnosed, and how it's treated.

Your cycle may feel off after Plan B. Here's what's actually happening with your hormones and how to support your body as it rebalances.

Learn which home methods genuinely reduce plaque, from brushing technique to baking soda, and which ones are better left to your dentist.

MDMA can be detected in hair follicles for up to 90 days, but frequency of use, hair growth rate, and lab methods all affect accuracy.

All-day headaches usually come down to tension, dehydration, or caffeine, but here's how to tell when yours might need medical attention.