Human Body & Health

What Is a Green Top Tube Used for in Blood Tests?

How Plantago Ovata (Psyllium) Works as a Dietary Fiber

Does Water Block UV Rays? The Science Explained

Is There a Link Between Synthetic Turf and Cancer?

Why the ETDRS Chart Is the Gold Standard for Vision

How Far Back Does a Mouth Swab Drug Test Go?

How an fMRI Scan Measures Brain Activity

Why Is Left-Handedness So Rare?

What Does a Loop Recorder Do for Your Heart?

How Tall Were Ancient Humans? A Look at the Evidence