ScienceInsights

Most sinus infections clear up without antibiotics. Here's what actually helps, from OTC decongestants to saline rinses and when to see a doctor.

Cold sores go through distinct stages, from early tingling to scabbing. Learn what each stage looks like and how to tell a cold sore from a pimple or canker sore.

Exercise, diet, therapy, and other evidence-based approaches can meaningfully reduce depression symptoms without medication.

Learn the key signs of pancreatitis, from upper abdominal pain to nausea, and when symptoms mean it's time to seek urgent care.

Screen time affects mental health through sleep loss, social comparison, and brain fatigue—but context and content matter more than raw hours.

Chronic sinusitis has real, effective treatments. Here's what actually works, from saline rinses and steroid sprays to surgery and biologics.

Practical steps to ease nausea and stop vomiting, from resting your stomach to rehydrating safely and knowing when to see a doctor.

Dealing with hives? Learn what causes them, how to ease the itch quickly, and when it's time to see a doctor.

Spit-up is common in breastfed babies, but not all of it is harmless. Learn what's normal, what helps, and when to call your doctor.

At one month old, babies see about 8–12 inches clearly and prefer high contrast over color. Here's what their vision is really like and how to support it.