Osteoporosis progresses without pain or obvious symptoms. Learn why it is called the "silent disease" and how you can catch it early.
Osteoporosis is often called the "silent disease" -- and for good reason. It progresses quietly, without pain or visible signs, until a bone breaks. Many people only learn they have osteoporosis after a fracture from something as simple as a stumble or a sneeze.
The good news is that knowledge is your strongest ally. In this article, we will walk through what osteoporosis is, what happens inside your bones, and -- most importantly -- how you can spot the warning signs early and take action.
Imagine tripping on a curb and catching yourself with your hand -- only to discover you have broken your wrist. At the hospital, the doctor says: "You have osteoporosis." For many people, this is the very first time they hear the word.
Osteoporosis typically causes no pain, no symptoms, and no outward changes -- until a fracture occurs. Just as high blood pressure is sometimes called the "silent killer," osteoporosis works in the background, gradually weakening your bones without any warning.
Osteoporosis is often discovered only after a bone breaks. That is why understanding the disease is the best form of prevention.
If you are thinking "this could never happen to me," you are not alone. Most people feel that way. But simply knowing about osteoporosis can motivate you to get screened early and start protecting your bones.
As we explain in more detail in Your Bones Are Alive, your bones are constantly being broken down and rebuilt in a process called bone remodeling. Specialized cells called osteoclasts remove old bone, while osteoblasts build new bone in its place. In healthy bones, these two processes are balanced.
With osteoporosis, the balance tips: bone is broken down faster than it can be rebuilt. Over time, this creates tiny gaps and holes inside the bone structure.
A helpful way to picture this is to think of a kitchen sponge. A new sponge has a fine, dense structure and feels firm. But imagine that sponge with larger and larger holes -- it would still look the same size on the outside, but inside it would be weak and easy to crush. That is what happens to bones affected by osteoporosis.
Osteoporosis is not simply "losing bone." It is an imbalance in the natural process of bone renewal.
Osteoporosis is far more common than most people realize. According to the International Osteoporosis Foundation (IOF):
In the United States alone, approximately 10 million people have osteoporosis, and another 44 million have low bone density (osteopenia), placing them at increased risk. In the United Kingdom, osteoporosis affects roughly 3 million people, with over 500,000 fragility fractures occurring each year.
In Australia, approximately 1.2 million people are estimated to have osteoporosis, with a further 6.3 million having low bone density. Worldwide, an osteoporotic fracture occurs approximately every 3 seconds.
Despite these numbers, a large proportion of people with osteoporosis remain undiagnosed and untreated -- precisely because it causes no symptoms until a fracture happens. Studies suggest that fewer than 20% of people who have had an osteoporotic fracture are investigated or treated for osteoporosis afterward. This is sometimes called the "treatment gap" or "care gap."
Osteoporosis is not a rare condition. Asking yourself "could this affect me?" is an important first step.
Osteoporotic fractures tend to occur in four main areas of the body. Each can happen during everyday activities that would not normally cause a fracture in someone with healthy bones.
These are the most common osteoporotic fractures. A vertebra (one of the small bones that make up your spine) can collapse or become wedge-shaped, sometimes from something as minor as bending forward or lifting a grocery bag. Remarkably, about two-thirds of spinal compression fractures cause no immediate pain and go unnoticed -- they are discovered later when someone notices height loss or a change in posture.
Hip fractures are the most serious consequence of osteoporosis. They almost always require surgery and hospitalization, and they can significantly affect independence. According to the IOF, up to 20-24% of people who suffer a hip fracture die within the first year, often due to complications. Among those who survive, many are unable to return to fully independent living.
A wrist fracture from a fall onto an outstretched hand is often the first sign of weakened bones. These fractures are more common in the years just after menopause (typically ages 50-65) and can serve as an important early warning signal.
A fracture near the top of the upper arm bone can happen from a fall. While less common than the other three sites, it is a recognized osteoporotic fracture that can be painful and slow to heal.
Because osteoporosis itself causes no pain, the key is to watch for indirect signs that suggest your bones may be changing:
Height loss: If you have lost more than 2 cm (about 1 inch) from your tallest adult height, this may indicate spinal compression fractures. Ask your doctor to measure your height accurately at your next visit.
Stooped posture (kyphosis): A gradual rounding of the upper back -- sometimes called a "dowager's hump" -- can develop when multiple vertebrae lose height. Family members or friends may notice this before you do.
Clothes fitting differently: If your shirts or blouses seem longer relative to your body, or if you notice your ribcage moving closer to your hip bones, these subtle changes could reflect height loss from spinal fractures.
A fracture from a minor incident: Breaking a bone from a fall from standing height or less (a "low-trauma fracture") is not normal at any age. If this happens, ask your doctor about osteoporosis screening.
These signs do not necessarily mean you have osteoporosis, but they are good reasons to talk to your doctor and consider a bone density test.
Statistics tell one part of the story, but the real impact of osteoporotic fractures is deeply personal.
A hip fracture can mean emergency surgery, weeks or months of rehabilitation, and -- for some -- a permanent loss of independence. According to the IOF, about 40% of people who suffer a hip fracture are unable to walk independently afterward, and roughly 20% require long-term nursing care.
Spinal compression fractures, even when painless, have a cumulative effect. As the spine loses height and curves forward, everyday activities become harder: reaching for things on high shelves, taking a deep breath, even digestion can be affected as the rib cage moves closer to the pelvis.
Wrist fractures, while less life-threatening, can interfere with daily tasks that many of us take for granted -- writing, cooking, buttoning a shirt, or holding a grandchild's hand.
The emotional impact is real, too. Fear of falling, loss of confidence, social withdrawal, and depression are common among people who have experienced osteoporotic fractures.
Preventing fractures is not just about bones. It is about preserving your quality of life, your independence, and your ability to do the things that matter to you.
You do not need to wait for a fracture to take action. Here are three simple steps:
Measure your height. Have someone measure your height accurately and compare it to your tallest recorded height. If you have lost more than 2 cm (1 inch), mention it to your doctor.
Try the wall test. Stand with your back against a flat wall. Can the back of your head touch the wall comfortably? If not, this may suggest changes in your spinal alignment. Learn more in our Wall Test article.
Ask your doctor about a DXA scan. A DXA (Dual-energy X-ray Absorptiometry) scan is a quick, painless test that measures your bone density. If you are a woman over 65, a man over 70, or have risk factors like a family history of fractures, talk to your doctor about getting scanned. Our DXA Guide explains the test in detail.
Q. Is osteoporosis curable?
Osteoporosis cannot be "cured" in the traditional sense, but it can be effectively managed and even reversed to some degree. Medications can slow bone loss, stimulate new bone growth, and significantly reduce fracture risk. Combined with proper nutrition and exercise, many people with osteoporosis live active, fracture-free lives for decades.
Q. Is osteoporosis only a women's disease?
No. While osteoporosis is more common in women -- particularly after menopause -- men are also affected. Roughly 1 in 5 men over 50 will experience an osteoporotic fracture. Men tend to develop osteoporosis about 10 years later than women, but their fractures (especially hip fractures) often have worse outcomes. Osteoporosis screening should be considered for men with risk factors or those over 70.
Q. Can young people prevent osteoporosis?
Absolutely. Bone density peaks in your mid-to-late twenties. The stronger your bones are at their peak, the more "bone savings" you carry into later life. Young people can build strong bones through weight-bearing exercise, adequate calcium and vitamin D intake, and avoiding smoking. Think of it as investing in a "bone bank" -- the more you deposit now, the more you will have to draw on later.
Q. I feel perfectly healthy. Could I still have osteoporosis?
Yes. That is exactly why it is called the "silent disease." Feeling healthy does not mean your bones are strong. A DXA scan is the only reliable way to assess your bone density. If you have risk factors -- such as being postmenopausal, having a family history of fractures, or taking long-term corticosteroids -- screening is strongly recommended even if you feel fine.
This site receives founding sponsorship from [sponsor placeholder]. Article content is independently produced by the editorial team with no sponsor involvement. See our conflict of interest policy for details.
More in this category
Related articles
Medical Supervision
Hiroyuki Katoh（Orthopedic Surgeon, Medical Registration No. 409723）
Tokai University Hospital / Shoyo Kashiwadai Hospital
Last updated:March 21, 2026
Conflict of Interest Disclosure
This site is supported by ○○○○. Article content is based on the supervising physician's medical judgment, and sponsoring companies have no involvement in editorial content.