health

Yoga Can Help Kids Connect to Their Bodies

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | August 3rd, 2020

Dear Doctor: What do you think about yoga for children? We’re having trouble keeping three kids busy without their usual play dates and activities, and our 8-year-old has been saying that she wants to try doing yoga.

Dear Reader: We are enthusiastic supporters of yoga for kids. Just as for adults, yoga can improve children’s physical and mental health. The gentle and sustained poses help with flexibility, strength, balance, endurance, breathing and breath control. Yoga is great for improving focus and concentration, building self-confidence and reducing stress and anxiety. Studies have shown that children with ADHD (attention deficit hyperactivity disorder) experience significant improvement in their symptoms when regular yoga practice is added to their existing treatment.

Yoga has found its way into school settings, but with in-class learning on hold, we now need to bring it into our homes. Fortunately, there are plenty of resources. YouTube has a number of very good channels stocked with yoga videos just for kids. One that we like a lot is Cosmic Yoga, a top-rated series with close to 900,000 subscribers. App stores are also loaded with a variety of kids’ yoga classes. If you’re unsure about which to choose, enter the name of the class or app into your search engine, and you’ll find reviews and opinions to guide you.

The key to yoga for kids is for it to be fun, a tiny bit challenging and stress-free. You’re not looking for the hour-plus classes that adults are used to, with complex poses held for long periods of time. Instead, kids’ yoga is about movement, imagination and playfulness. Yoga poses come with built-in imagery -- lions, dogs, warriors, trees, frogs and butterflies, to name just a few -- which lets kids connect to the exercise on multiple levels. Children really take to the breathing exercises, with blowing and huffing and puffing that lets them add all kinds of sounds. They enjoy a challenge, too. Balance poses, which can start with a few seconds and gradually build from there, are a great way for them to build their skills and feel a sense of achievement.

We doubt that they’ll notice it’s happening, but yoga is a creative and fun way to introduce mindfulness through play. These are stressful times for everyone, our children included. The mix of vivid imagery, deliberate movement and controlled breathing can help children cope with a world suddenly gone sideways. And, thanks to the proliferation of screen-sharing platforms like Zoom, playmates who have been separated can do yoga together.

We’ve been concentrating on the kids so far, but we encourage the adults in the house to get involved, as well. Definitely let the kids have some sessions all to themselves. But when moms, dads, older siblings and grandparents take part, those 20 or 30 minutes of yoga can become a source of family bonding and unity. Plus, kids are competitive. They’ll be tickled pink -- and won’t let you live it down -- when their flexible bodies easily achieve poses that have Mom and Dad gasping and groaning. Their delight will be a victory for everyone.

(Send your questions to askthedoctors@mednet.ucla.edu, or write: Ask the Doctors, c/o UCLA Health Sciences Media Relations, 10880 Wilshire Blvd., Suite 1450, Los Angeles, CA, 90024. Owing to the volume of mail, personal replies cannot be provided.)

health

Theory Suggests Thymus Plays Role in Severity of COVID

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | July 31st, 2020

Dear Doctor: What’s the connection between the novel coronavirus and the thymus gland? A friend of ours who is a doctor says it’s probably what keeps young kids from getting so sick. I’ve never even heard of the thymus. What does it have to do with coronavirus?

Dear Reader: From the earliest days of the novel coronavirus pandemic, the data revealed a puzzling disparity. Older adults were at increased risk of grave illness when infected with the virus, but children seemed to have a certain level of protection. And while it has since become clear that children can indeed become seriously ill if they become infected, they do so at far lower rates than adults. The reasons for this are still being investigated, but some researchers have recently suggested the role of the thymus gland as a possible factor.

If you place your finger at the notch at the top of your breast bone and draw a vertical line downward a few inches, you’ve traced the location of your thymus. It’s made up of two roughly triangular lobes, which sit behind the breastbone and between the lungs. The thymus has several functions, but perhaps its most important role is to help produce the cells that will become T-lymphocytes, or T-cells. (The "T" stands for thymus-derived.) These are white blood cells that protect the body from bacteria, fungi, viruses and other pathogens.

T-cells, which are the ninjas of the immune system, start out in the bone marrow as stem cells. The immature stem cells exit the marrow, move through the blood and enter a specific region of the thymus. There, they undergo a complex process that teaches them how to recognize a wide range of potentially dangerous and deadly invaders. As T-cells, their job is to circulate throughout the body and, when they encounter the molecular signature of the pathogen they’ve been trained to recognize, to attack. T-cells also activate other immune cells, produce proteins known as cytokines and have a role in regulating immune response.

The thymus is unique in that it reaches maturity in utero and is at its largest and most active in children. Starting at puberty, it gradually becomes less active, and the glandular tissue begins to shrink. This continues throughout a person’s life. By the time someone has reached their mid-60s, the thymus is largely inactive. By their mid-70s, the gland has been mostly replaced with fat. This decrease in thymus function is believed to be one of the reasons that, in their later years, older adults become more susceptible to disease and infection.

Emerging research into COVID-19 has shown a marked decrease in the number of T-cells in some gravely ill patients. Scientists are now asking whether age-related thymus decline, which means T-cells aren’t quickly replaced, may play a role in the severity of illness seen in older adults. The flip side of this is whether, due to their robust production of T-cells, children’s immune systems are able to stay one step ahead of the novel coronavirus. It’s only a working theory, but it shows promise, and research into how this may affect and inform treatment continues.

(Send your questions to askthedoctors@mednet.ucla.edu, or write: Ask the Doctors, c/o UCLA Health Sciences Media Relations, 10880 Wilshire Blvd., Suite 1450, Los Angeles, CA, 90024. Owing to the volume of mail, personal replies cannot be provided.)

COVID-19
health

Wearing Heels Damages Foot Muscles

Ask the Doctors by by Eve Glazier, M.D. and Elizabeth Ko, M.D
by Eve Glazier, M.D. and Elizabeth Ko, M.D
Ask the Doctors | July 29th, 2020

Dear Doctor: I’m 44 years old, and after wearing high heels to work for the last 20 years, I’ve lost flexibility in my feet. It also seems to be affecting my balance. Can you recommend foot exercises that can help?

Dear Reader: Considering the important work they do, our feet don’t get the attention they deserve. And yet, these complex systems of muscles, bones, tendons and ligaments form the base from which we balance, bear the full weight of our bodies and carry us through the thousands of steps in our daily lives.

One of the best things you can do for your feet is to give them a break from high heels, even just for a few days per week. Not only do high heels shift you forward and force your full weight onto the balls of your feet, they prevent you from properly using the muscles of your feet (and your legs) as you walk. Speaking of which, one of the best exercises for getting feet into shape is exactly that -- walking. Get a pair of supportive and flexible athletic shoes, and take a stroll. Be conscious of rolling through the foot, heel to toe, in a deliberate but natural motion. Don’t be surprised if this feels strange or even awkward at first. We tend to treat our feet as solid blocks rather than the intricate and articulated wonders that they actually are.

When it comes to a specific foot workout, exercises that take just a few minutes a day can make a difference.

-- Toe lift: Stand barefoot and, without straining, slowly and gently raise all 10 toes off the floor. Hold for a few seconds, then lower again. When you’re comfortable with this move, add some more repetitions, this time fanning your toes apart as you lift and lower them.

-- Heel lift: Engage your calf muscle and gradually raise your heel so that you balance on the ball of your foot. Hold for a few seconds, then gently lower again. If your ankles are strong, you can slowly and deliberately roll the ball of your foot from side to side and in a circular motion, which engages a range of muscles and -- bonus -- gives a nice massage. This exercise can be done either seated or standing.

-- Toe point: Extend your leg and, in a fluid motion that starts at the heel and rolls through the arch and down to the toes, gently extend your foot. Point your toes, hold for a few seconds, and then reverse the movement until you’re flexing your heel.

-- Toe dome: Standing barefoot, gently grip the floor with all five toes of each foot, as though you’re going to pick up a dollar bill. You’ll form a small dome when you’re doing this one right. Hold for a few seconds and then release.

Don’t try to do too much all at once. Work your way up to eight to 10 repetitions of each exercise. With just five minutes a day, you’ll soon regain strength and flexibility, and your feet will thank you.

(Send your questions to askthedoctors@mednet.ucla.edu, or write: Ask the Doctors, c/o UCLA Health Sciences Media Relations, 10880 Wilshire Blvd., Suite 1450, Los Angeles, CA, 90024. Owing to the volume of mail, personal replies cannot be provided.)

Physical Health

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