Introduction Knee osteoarthritis is one of the most common joint disorders worldwide and a leading cause of pain and disability among adults. This condition occurs when the protective cartilage that cushions the ends of the bones within the knee joint gradually wears away over time. As the cartilage deteriorates, the bones begin to rub against each other, causing pain, stiffness, swelling, and reduced mobility. Millions of people suffer from knee osteoarthritis, and its prevalence continues to rise due to aging populations, increasing obesity rates, and sedentary lifestyles. Although osteoarthritis is commonly associated with older adults, younger individuals may also develop the condition as a result of injuries, genetic factors, or excessive stress on the joint. This comprehensive guide explores everything you need to know about knee osteoarthritis, including its causes, symptoms, diagnosis, treatment options, prevention strategies, and the latest medical advancements. What is ...
Nanotechnological applications in medicine Nanotechnology-based tools and techniques are rapidly emerging in the fields of medical imaging and targeted drug delivery. Employing constructs such as dendrimers, liposomes, nanoshells, nanotubes, emulsions and quantum dots, these advances lead toward the concept of personalized medicine and the potential for very early, even pre-symptomatic, diagnoses coupled with highly-effective targeted therapy. Highlighting clinically available and preclinical applications, this review explores the opportunities and issues surrounding nanomedicine. Introduction ‘Molecular imaging’ is a phrase that has come into heavy use within the past decade. It is a broad term, difficult to define. Although the initial use implied imaging novel contrast agents to probe molecular information [1], the current use has evolved to include a wide scope of imaging techniques that use molecular agents or...