ScienceInsights

From antihistamines and nasal sprays to immunotherapy and home changes, here's what actually helps with allergies and how to build a plan that works for you.

A BAC of 0.09 is over the legal limit in all US states. Learn how it affects your body, crash risk, and how long until you're sober.

Botox typically costs $10–$25 per unit, but your total bill depends on location, provider, and how many units each area needs.

Back spasms are painful but manageable. Learn which remedies actually help, from ice and heat to stretches, and when to seek medical care.

Feeling dizzy or lightheaded? Learn practical ways to raise low blood pressure at home, plus when symptoms need medical attention.

Learn what typical newborn weights and lengths look like, what influences baby size, and why "normal" covers a wider range than most expect.

From medications to home setup and caregiver support, here's a practical guide to caring for someone with dementia at every stage of the condition.

Stasis dermatitis is manageable with the right approach. Learn how compression, skin care, and vein procedures can relieve symptoms and prevent ulcers.

Cranial hematomas are blood collections in or around the brain. Learn how they form, what symptoms to watch for, and how doctors treat them.

From topical creams to professional treatments, here's what the evidence says about fading age spots and keeping them from coming back.