What Are the New RSV Vaccines and Who Should Get Them?
RSV vaccines are now available for the first time after decades of research. Learn who qualifies, how effective they are, and how nirsevimab protects infants from severe RSV disease.
David Kim, MS, CSCS
MS in Exercise Science, CSCS
David Kim holds a Master of Science in Exercise Science from the University of Michigan and is a Certified Strength and Conditioning Specialist (CSCS) through the NSCA. He has worked with athletes and rehabilitation patients for over 7 years and brings an evidence-based approach to fitness and musculoskeletal health writing. David is also certified in corrective exercise through NASM and specializes in injury prevention content.
Articles by David Kim, MS, CSCS
How Can Ergonomics Prevent Back Pain at Your Desk?
Desk work is a leading contributor to back pain. Learn how to set up your workstation, exercises to counteract sitting, and ergonomic strategies that reduce musculoskeletal pain by up to 60%.
What Causes Dry Skin and What Are the Best Remedies?
Dry skin (xerosis) affects millions and worsens in winter. Learn about skin barrier science, the best moisturizer ingredients, and dermatologist-recommended strategies for hydrated, comfortable skin.
What Causes Knee Pain and When Should You See a Doctor?
Knee pain has many causes from overuse injuries to arthritis. Learn about common causes, warning signs that need medical attention, and evidence-based treatments including exercises, bracing, and when surgery may be needed.
What Is Osteoarthritis? Symptoms, Treatment, and Exercise
Osteoarthritis affects over 32 million US adults. Learn about symptoms, risk factors, and evidence-based treatments including exercise programs, medications, and joint protection strategies recommended by the ACR.
What Is Pelvic Floor Dysfunction and How Can You Strengthen It?
Pelvic floor dysfunction affects 1 in 3 women. Learn about causes, symptoms, Kegel exercises, pelvic floor physical therapy, and surgical options for urinary incontinence and pelvic organ prolapse.
What Is the Best Way to Recover After a Workout?
Proper recovery is where fitness gains actually happen. Learn the science-backed strategies for optimal post-workout recovery.
Is Intermittent Fasting Safe and Effective for Weight Loss?
Intermittent fasting is popular for weight loss, but does the science support it? Learn about the methods, benefits, risks, and who should avoid it.
What Causes Lower Back Pain and How Can You Relieve It?
Lower back pain affects 80% of adults at some point. Learn about the most common causes, when to see a doctor, and proven treatments including exercises, physical therapy, and lifestyle changes recommended by spine specialists.
What Are Probiotics and Prebiotics — And Do You Need Them?
Probiotics and prebiotics promise better gut health, but the science is nuanced. Learn which strains work for which conditions and whether you need them.
What Are Panic Attacks and How Do You Stop Them?
Panic attacks are sudden surges of intense fear with physical symptoms. Learn what causes them and evidence-based strategies to stop and prevent them.
What Is Cardiac Rehabilitation and Who Needs It?
Cardiac rehabilitation reduces cardiovascular mortality by 26% yet only 20-30% of eligible patients participate. Learn who qualifies, what to expect, and why cardiac rehab is one of the most underutilized treatments in cardiology.
How Can You Prevent Heart Disease Naturally?
Heart disease is the leading cause of death globally but up to 80% of premature cardiovascular events are preventable. Learn the proven lifestyle strategies that dramatically reduce your risk.