Explain Osteoporosis.

Answer

### Step-by-Step Solution for Explaining Osteoporosis:

**Step 1: Definition and Nature of Osteoporosis**
- Osteoporosis is primarily defined as an age-related bone disorder. It predominantly affects older individuals, especially post-menopausal women.

**Step 2: Bone Mass Decrease**
- One of the key characteristics of osteoporosis is the drastic decrease in bone mass. This reduction in bone density leads to weakened bones.

**Step 3: Calcium Levels in Bones**
- The decrease in bone mass is often associated with inadequate calcium levels in the bones. Calcium is crucial for maintaining bone strength and density.

**Step 4: Increased Risk of Fractures**
- Due to the decreased bone mass and weakened structure, individuals with osteoporosis have a significantly increased risk of fractures, even from minor falls or injuries.

**Step 5: Hormonal Influence**
- Estrogen, a hormone that plays a vital role in bone health, significantly influences the development of osteoporosis. Lower levels of estrogen, particularly during menopause, can lead to an increased risk of developing this condition.

**Step 6: Gender and Age Factors**
- Women, especially those who are post-menopausal, are at a higher risk of developing osteoporosis due to the decline in estrogen levels associated with aging.

**Step 7: Visual Comparison**
- A visual representation can help illustrate the difference between healthy bones and those affected by osteoporosis. Healthy bones have a higher density, while osteoporotic bones show lower density and structural integrity.

**Step 8: Conclusion**
- In summary, osteoporosis is a serious condition characterized by decreased bone mass and density, increased fracture risk, and is heavily influenced by hormonal changes, particularly in older women.