Infection is the invasion by and multiplication of 'foreign' microorganisms that can cause pathological conditions or diseases in the host organism. Sepsis remains a major clinical challenge due to ...

Allergies and sinus infections can both affect your nasal passages and cause symptoms like congestion. But they’re two separate conditions with distinct causes and treatments. Allergies occur as a ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Viral infection is the invasion of the body by a small agent known as a virus. Viruses replicate inside host cells and can produce toxins that cause disease. The immune system helps to destroy viruses ...

E. coli bacteria from your skin or rectum are common causes of UTIs. UTIs often require antibiotics to treat and prevent serious complications like kidney damage. Holding in your pee can create an ...

Express Scripts (Cigna) offers three Medicare Part D prescription drug plans, among other services. Express Scripts Medicare Part D plans range in cost from low premiums and low copays to broad ...

Leonardo DiCaprio is the latest star to fall ill with pneumonia, with the Hollywood actor revealing he was recovering from the deadly lung infection while on the promo trail for his recent film. As ...