ScienceInsights

CBD oil starts as a hemp plant and goes through several steps before reaching your shelf. Here's what's actually inside the bottle.

100mg of trazodone sits at the lower end for depression but is common for sleep. Here's what to expect at this dose and when to talk to your doctor.

Learn how your heart's electrical system coordinates each heartbeat, from the SA node to Purkinje fibers, and what happens when signals go wrong.

Most irregular heartbeats are harmless, but some raise your stroke risk. Learn what causes them, how they're diagnosed, and when to see a doctor.

Dry socket pain can be intense and hard to ignore. Learn what it feels like, how to spot it, and what actually helps before and after treatment.

Pregnancy is counted as 40 weeks, but that number isn't as straightforward as it seems. Here's what those weeks actually mean.

Chlorzoxazone is a muscle relaxant, not a narcotic. Learn how it works, its side effects, and how it differs from controlled substances.

Practical guidance for parents supporting a teen with depression, from starting the conversation to finding professional help.

Honey is off-limits for babies under 12 months due to botulism risk. Here's why the cutoff exists and what to do if your baby accidentally eats some.

Feeling cold all the time can stem from thyroid issues, anemia, poor circulation, or even sleep deprivation. Here's what might be behind it.