ScienceInsights

Learn how the National School Lunch Program works, who qualifies for free or reduced-price meals, and what nutritional standards schools must meet.

Learn what BPM means, what a healthy heart rate looks like at rest and during exercise, and what can cause it to shift from day to day.

From minoxidil to hair transplants, here's what actually works for hair loss and how long it takes to see results.

Water weight can be frustrating, but simple changes like reducing sodium, staying hydrated, and improving sleep can help your body release excess fluid safely.

Sore throats have many causes, from viruses and strep to acid reflux and dry air. Learn what's likely behind yours and when to see a doctor.

Vaseline can help soothe rosacea-prone skin, but it's not right for everyone. Here's what to know before adding it to your routine.

The psoas major is innervated by the L1-L3 nerve roots, with the lumbar plexus running directly through it — a detail that matters in pain management and anesthesia.

Schizophrenia has no single cause. Learn how genetics, brain changes, early life experiences, and environment combine to raise a person's risk.

A practical, identity-affirming guide to understanding autism from the inside—covering masking, sensory needs, adult diagnosis, and building a life that works for you.

HSV-1 is very common, and most people never have symptoms. Here's what the virus actually does to the body and when it becomes a real concern.