Millions of people are afflicted with knee joint pain at some point in their lives. However, most knee-related pain symptoms do not lead to surgery. Then why do people opt for knee replacement surgery? What are the factors that lead to this surgical decision?

The knowledge of immunisation is ancient and dates back to the 17th-century period. Edward Jenner was the founder of the practice of vaccinology in Western countries. In the year 1796, he inoculated a young boy with cowpox virus vaccination thus demonstrating immunity to the deadly smallpox disease.

Understanding allergies can be tricky, as they cover a vast range of signs and triggers. To start with, allergies are intense reactions triggered by the human body immune system. These reactions are influenced by exposure to environmental materials or substances. Some popular allergens are pollen, insect bites or stings, animals, dust mites, medicines, and foodstuffs.        

Back pain can strike anyone. From little children, young adults, middle-aged people, to older citizens, any individual can develop the annoying symptoms of back pain. Health issues like lower back pain can affect the lumbar spine, spinal cord, nerves, back muscles, abdominal muscles, pelvic area, lumbar area,  or discs between the vertebrae.  

We all love to play sports. But, have you ever given a thought to sports-related injuries? Well, sports injuries are those wounds or bruises that happen when you indulge in sports activities or extreme physical exercises. The specific term 'sports injuries' is most commonly related to those injuries that affect the musculoskeletal system.  

ADHD is a hyperactivity disorder and an exemplary medical condition. The term stands for attention deficit hyperactivity disorder. It is a kind of disorder that makes the person extremely impulsive and fidgety. ADHD symptoms begin in early childhood, but the symptoms can continue through the period of adolescence and even adulthood.