ScienceInsights

Most pharmacies use a 75% rule for early refills, but controlled substances, travel, and emergencies all follow different guidelines. Here's what to know.

Learn how to brush your 1-year-old's teeth with the right tools, positions, and technique, plus tips for resistant toddlers and what to watch for.

Tips for finding a qualified functional medicine doctor, from checking credentials and costs to using telehealth and spotting red flags.

Most laryngitis clears up in 1–2 weeks, but the cause plays a big role. Here's what to expect and when to see a doctor.

Xanax can lower blood pressure slightly, but it's not a treatment for hypertension and comes with real risks, especially when mixed with BP medications.

Type 2 diabetes affects hundreds of millions worldwide, with millions more undiagnosed. Here's what the latest U.S. and global numbers actually show.

Levofloxacin side effects range from days to months depending on the symptom. Here's what to expect for digestion, tendons, nerves, and more.

Learn who qualifies for a psychiatric service dog, how they differ from ESAs, and the three ways to get one—from professional programs to owner-training.

After a seizure, most people feel exhausted, confused, and disoriented. Learn what to expect during recovery and when symptoms need medical attention.

Giving water to babies under 6 months can be genuinely dangerous. Here's how it affects their kidneys and sodium levels, and what to do instead.