Space travel is infamously bad for your health. But it turns out that in some very specific cases, space travel may actually be beneficial. Like by strengthening your bones, or repairing your DNA.

In this episode Hank talks about global medical history and recorded death certificates with journalist Jeremy Smith. Special guest from Animal Wonders and SciShow Kids Jessi Knudsen Castañeda brings Freya the Northern Pine Snake.

Suffering from a sudden sciatica pain flare up? These chair yoga variations are a great way to stretch and relieve pain associated with sciatica, improving flexibility and range of motion while opening the hips and lower back.

You might think that once drugs, devices and medical procedures are shown to be effective, they quickly become available. You might also think that those shown not to work as well as alternatives are immediately discarded. Reasonable...

Ease tightness and melt away stress in your upper back with this gentle chair yoga stretch! Perfect for all levels, this quick video guides you through a gentle stretch designed to release tension, improve flexibility, and promote...

Are you struggling with lower back pain or a sudden sciatica flare up? Discover the one tight muscle that might be making your pain worse, the piriformis! Try these quick & simple stretches to target the piriformis and help relieve...

Staying Safe During Your Home Gardening Project

Sooner or later, most of us will experience some type of back pain. But how much do we really know about how best to deal with it? Play along with our Everwell Challenge to check out your back facts. Are they in line or out...

Howcast - Learn what you can do to prevent breast cancer if you're in your 60s in this Howcast video with expert Marisa Weiss, MD.

Howcast - Learn how to maintain proper posture in high heels from celebrity podiatrist Emily Splichal in this Howcast video.

Howcast - Learn how to relieve back pain using foot reflexology techniques from certified reflexologist Chantel C. Lucier in this Howcast video.

Howcast -Lying on a bed can often make back pain worse. But while many mattresses offer back pain relief, not all of them can be perfect for you. Find which one is best.

Howcast -Find out who is the ideal candidate for breast reduction surgery from plastic surgeon Robert J. Morin, M.D. in this Howcast video.

Howcast - Learn about chiropractic adjustment during pregnancy from Dr. Karen Erickson in this Howcast video.

Howcast - Picture a cow in a pasture or a sleeping cat—could their lives be any more relaxed? Since stress aggravates back pain, take a cue from these animals and practice this relaxing yoga-inspired stretch.

Howcast - Ninety percent of all adults in the U.S. experience back pain sooner or later. Regular stretching can better your chances—or at least push sooner off until later.

Low back pain affects most adults at some time in their lives. If your pain is creeping up the scale from one to 10, use these tips to find out what might be the cause of your aching back.

If you have a cranky back, try this! Find relief and release tension with gentle stretches you can do while entirely seated in a chair. Suitable for all levels, perfect for beginners.

Rejuvenate your muscles, enhance flexibility and increase mobility with this gentle chair yoga stretch! It's the perfect way to unwind anytime of day!

Soothe a tight, achy back in seconds with this easy reclined twist stretch! This gentle yoga pose helps realign the spine, relax tense back muscles, and increase spinal mobility, making it perfect for relieving back pain and stiffness...

Soothe a tight, achy back in seconds with this easy reclined twist stretch! This gentle yoga pose helps realign the spine, relax tense back muscles, and increase spinal mobility, making it perfect for relieving back pain and stiffness...

Tight shoulders and upper back? Try this simple stretch you can do right in a chair! Suitable for all levels, perfect for beginners.

Stiff hips & back? Try adding these 4 simple stretches to your routine, you won't believe how good it feels! These stretches not only help improve hip mobility while stretching your glutes, but also help to reduce back pain!

Try incorporating this stretch into your daily routine and find relief! This simple and effective stretch will help loosen up tight muscles, improve flexibility, and even relieve back pain.