ScienceInsights

THC can stay in your system days or weeks depending on how often you use, your body composition, and the type of test. Here's what the science says.

What you eat before a morning run depends on timing, distance, and your stomach. Here's how to fuel up without slowing down.

Skyrizi can safely sit out of the fridge for up to 8 hours. Learn proper warm-up times, temperature guidelines, and what to do if it's been out too long.

Healthy pregnancy weight gain depends on your starting BMI. Learn what ranges are recommended and why the quality of gain matters as much as the number.

Chronic anger often has hidden roots. Learn what's really driving it and practical ways to calm down, lower your baseline, and respond differently over time.

Most sinus infections clear up on their own within 10 days. Learn when to wait it out and when it's time to see a doctor.

Most spider bites heal on their own with basic care. Learn what to do at home, which symptoms need a doctor, and how to tell black widow and brown recluse bites apart.

Nattokinase clears your system within hours, but its effects on blood clotting can linger longer. Here's what that means for dosing and surgery timing.

Caffeine withdrawal typically peaks within 1–2 days and clears up in about a week. Here's what to expect and how to ease the process.

Plasma is the liquid part of your blood that carries nutrients, proteins, and hormones while helping your body maintain balance and fight disease.