ScienceInsights

At 18 hours of fasting, your body shifts into fat-burning mode and ramps up cellular repair. Here's what's actually happening inside you at that mark.

You can take ibuprofen shortly after levothyroxine without worry. Learn why the standard wait time applies and which medications actually need a longer gap.

At 31 weeks, 3.3 pounds is right on track. Learn what's normal, why babies vary in size, and what ultrasound estimates really mean.

Slim Fast can cause digestive issues, headaches, blood sugar swings, and nutrient gaps. Here's what to expect and how to minimize the downsides.

Practical, science-backed ways to boost your energy naturally, from sleep quality and blood sugar to hydration and knowing when to see a doctor.

At 6 months, babies typically stay awake 2–3 hours between naps. Learn how to read your baby's cues and fit naps into a manageable daily rhythm.

Gabapentin 300 mg is typically taken three times a day, but kidney function, food, and dosage absorption all affect how often you should take it safely.

Vision after cataract surgery improves gradually over days to weeks. Here's what to expect at each stage of recovery and when to call your doctor.

Learn the key signs of congestive heart failure, how doctors diagnose it, and what treatment typically involves.

Period clots can be normal, but heavy clotting may signal fibroids, hormone imbalance, or a bleeding disorder. Here's what to know and when to see a doctor.